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Riek Machar

Riek Machar Teny Dhurgon (born 1953) is a South Sudanese politician and military commander of Nuer ethnicity who has served as vice president of the country on multiple occasions, most recently as first vice president from 2020 until his house arrest in 2025, and leads the Sudan People's Liberation Movement-in-Opposition (SPLM-IO).^[1]^[2]
A former member of the Sudan People's Liberation Army (SPLA), Machar defected in 1991 alongside Gordon Kong Chuol, forming the SPLA-Nasir faction over disagreements with SPLA leader John Garang's authoritarian style and vision for a united "New Sudan," instead advocating for southern self-determination, though the split intensified factional fighting and enabled temporary alliances with Khartoum that prolonged the Second Sudanese Civil War.^[3] Forces under his command carried out the Bor massacre in November 1991, killing thousands of Dinka civilians and displacing many more in Jonglei State.^[4]^[5] He reconciled with the mainstream SPLM in 2002, contributing to the 2005 Comprehensive Peace Agreement that paved the way for South Sudan's independence in 2011, after which he became vice president under President Salva Kiir.^[6]
Machar's deteriorating relationship with Kiir, marked by his July 2013 dismissal amid ambitions to challenge party leadership, escalated into the South Sudanese Civil War in December 2013 following Kiir's accusation of a coup plot, which Machar denied; the conflict rapidly devolved into ethnic violence between Nuer supporters of Machar and Dinka loyalists to Kiir, with atrocities committed by forces on both sides, including targeted killings, rape, and recruitment of child soldiers.^[7]^[8]^[9] Despite multiple peace accords, including his brief reinstatement as first vice president in 2016 and the 2018 Revitalized Agreement, implementation has faltered amid renewed clashes, leading to Machar's house arrest in March 2025 on treason charges related to alleged militia incitement, raising fears of renewed full-scale war.^[10]^[11]

Early Life and Education

Family Background and Upbringing

Riek Machar Teny Dhurgon was born in 1953 in Leer, in the oil-producing Unity State of what was then Sudan.^[12] ^[13] He hails from the Dok subgroup of the Nuer ethnic group, South Sudan's second-largest after the Dinka, known historically as semi-nomadic pastoralists who rely on cattle herding for livelihood and social status.^[12] ^[13] Machar's father served as a chief in the Ayod and Leer areas, a position of traditional authority among the Nuer that involved dispute resolution, cattle allocation, and community leadership in a patrilineal, extended family structure common to the tribe.^[13] Both parents held prominence within the Dok Nuer community, embedding Machar in a lineage tied to local governance and ethnic networks that would later influence his political alliances.^[13] As one of numerous sons—accounts vary from the 26th to 27th—in this polygamous family setting, he experienced the hierarchical and kinship-based dynamics of Nuer society, where elder brothers and paternal lines dictate inheritance and obligations.^[13] His early upbringing occurred in a rural, riverine environment along the Nile's tributaries, shaped by seasonal cattle migrations, inter-clan feuds, and exposure to Anglo-Egyptian colonial administration's indirect rule through local chiefs.^[12] Machar grew up attending the Presbyterian Church, reflecting missionary influences in southern Sudan that introduced Western education and Christianity to Nuer communities amid ongoing Arabization policies from Khartoum.^[12] This blend of traditional pastoralism and early Christian schooling laid foundational exposure to literacy and external ideas, though his family's chiefly status prioritized practical skills in herding and mediation over formal early education.^[13]

Academic and Professional Training

Machar pursued engineering studies at the University of Khartoum, earning a bachelor's degree in 1977.^[14] He then traveled to the United Kingdom, where he completed a PhD in mechanical engineering at the University of Bradford in 1984.^[15] Upon returning to Sudan, Machar entered the armed struggle against the government by joining the Sudan People's Liberation Movement/Army (SPLM/A) in late 1984, initially serving as a representative in Ethiopia.^[12] He underwent military training at the Bonga Revolutionary Military Training Centre in Ethiopia in early 1985, after which he commanded SPLA forces in Western Upper Nile, rising to the high command by 1986.^[16]^[17] This period marked his shift from academic engineering to guerrilla warfare leadership, leveraging his technical background in operational roles within the rebellion.^[18]

Involvement in the Second Sudanese Civil War

Joining the SPLA and Initial Roles

Riek Machar joined the Sudan People's Liberation Movement/Army (SPLM/A) in 1984, during the early phases of the Second Sudanese Civil War, aligning with the rebel force led by John Garang that sought greater autonomy or independence for southern Sudan from the Khartoum government.^[12] Having recently earned a PhD in mechanical engineering and strategic planning from the University of Bradford in Britain, Machar defected amid growing political repression and ethnic tensions, traveling to Ethiopia—where the SPLM/A maintained training camps and received backing from the Mengistu Haile Mariam regime—to formally affiliate with the movement.^[12] ^[19] In his initial role, Machar underwent military training in Ethiopia before being appointed zonal commander of Western Upper Nile, a strategically vital oil-bearing region aligned with his Nuer ethnic base, reflecting the SPLM/A's efforts to incorporate regional leaders for broader ethnic representation within its predominantly Dinka-led structure.^[20] ^[19] This position enabled him to direct SPLM/A forces in consolidating control over southern territories, countering government garrisons and rival militias like Anyanya II holdouts.^[19] Under Machar's command, SPLM/A units in Western Upper Nile conducted key operations, including a 1987 scouting mission that penetrated the Heglig oilfields undetected, demonstrating the rebels' reach into economically critical government-held areas, and a September 1988 assault that captured the town of Mayom from Anyanya II forces, securing supply routes and expanding territorial influence.^[19] These actions underscored Machar's emerging prominence as a field commander, leveraging local knowledge and resources to advance the SPLM/A's guerrilla campaign against Sudanese government forces prior to factional rifts in the early 1990s.^[19]

1991 Split from John Garang and Formation of NAS

In August 1991, tensions within the Sudan People's Liberation Army (SPLA) escalated into a formal schism when Riek Machar, a Nuer military commander and zonal leader in southern Upper Nile, alongside Lam Akol and other officers, challenged the leadership of SPLA chairman John Garang.^[19] The dissenters accused Garang of authoritarianism, corruption, and ethnic favoritism toward his Dinka group, while excluding non-Dinka commanders like Machar from key decisions and diplomatic roles.^[21] On August 28, 1991, in Nasir, Upper Nile, Machar and his allies issued the Nasir Declaration, effectively launching a coup attempt against Garang's mainstream SPLA faction, though it failed to oust him entirely.^[12] The split was rooted in ideological divergences as well as personal and ethnic grievances. Garang envisioned a "New Sudan"—a united, secular state reformed through southern-led revolution—whereas Machar pushed for explicit self-determination, including the option of secession for southern Sudan, arguing it better addressed regional aspirations amid prolonged war fatigue.^[12] Machar's faction, drawing support primarily from Nuer communities in Upper Nile and Bahr el Ghazal, framed the break as a democratization effort to end Garang's centralized control, which they claimed stifled internal accountability and fueled tribal divisions within the SPLA.^[22] This realignment fragmented the rebel movement, with Machar's group controlling key eastern fronts but immediately sparking inter-SPLA skirmishes that exacerbated ethnic fault lines between Nuer and Dinka forces.^[19] Following the declaration, Machar formalized his breakaway as the SPLA-Nasir faction (often abbreviated as NAS), named after the site of the split and initially co-led with Lam Akol until internal rifts emerged later.^[20] The NAS adopted a political manifesto emphasizing federalism, self-determination via referendum, and power-sharing to counter Garang's unitary vision, attracting defectors disillusioned by the mainstream SPLA's logistical strains and battlefield setbacks.^[12] By late 1991, NAS forces had consolidated in Nasir and Ayod, positioning Machar as a rival authority who sought external aid, including covert overtures to Khartoum, to sustain operations against both the Sudanese government and Garang's loyalists.^[21] This formation marked a pivotal weakening of the SPLA's unified front, prolonging the civil war through factional warfare that claimed thousands of lives in the ensuing months.^[19]

1990s Alliances and Internal Conflicts

Khartoum Peace Agreement and Alliance with Sudan

In the mid-1990s, Riek Machar's South Sudan Independence Movement/Army (SSIM/A), successor to his earlier Nasir faction, faced significant military setbacks against John Garang's Sudan People's Liberation Army (SPLA) loyalists, prompting Machar to seek accommodation with the Khartoum government to bolster his position.^[23] In April 1996, the Sudanese government signed a political charter with SSIM/A leaders, including Machar and Kerubino Kuanyin Bol, laying groundwork for broader integration while allowing continued operations against SPLA forces.^[24] The arrangement formalized on 21 April 1997 with the Khartoum Peace Agreement, signed by Sudanese Vice President Zubair Mohamed Salih on behalf of the government and Machar as chairman and commander-in-chief of SSIM/A.^[25]^[26] The accord pledged an immediate end to hostilities through political means, a ceasefire, disengagement of forces within 72 hours, and preservation of Sudan's unity pending a future southern referendum on self-determination, though implementation emphasized absorption of Machar's faction into government-aligned structures rather than full autonomy.^[25]^[27] Under the agreement, Machar was appointed chairman of the newly established Southern States Coordinating Council (SSCC) on 7 August 1997, tasked with administering southern regions under Khartoum's oversight, and his forces formed the core of the South Sudan Defence Force (SSDF), integrating partially with Sudanese military units.^[28] This alliance supplied SSIM/A and SSDF with arms, logistics, and intelligence from Khartoum, including direct military liaison officers assigned to Machar's units for coordinated attacks on SPLA positions, exacerbating ethnic divisions in southern Sudan by pitting Nuer-led militias against Dinka-dominated SPLA elements.^[29] The partnership, viewed by Khartoum as a tactical split of southern opposition, provided Machar temporary respite but drew accusations of collaboration with a regime enforcing Sharia law and Arabization policies, alienating segments of the southern independence movement.^[23]^[30]

Atrocities and Ethnic Violence Under Machar's Command

During the 1991 split from John Garang's Sudan People's Liberation Army (SPLA), Riek Machar's Nasir faction—primarily composed of Nuer fighters—initiated targeted attacks on Dinka communities, marking the onset of intensified ethnic violence in southern Sudan.^[31] These actions stemmed from factional rivalries that rapidly ethnicized the conflict, with Machar's forces seeking to undermine Garang's Dinka-dominated leadership through civilian targeting.^[13] The Bor Massacre on November 15, 1991, exemplified the scale of atrocities under Machar's command, as Nuer loyalists overran Dinka areas in and around Bor county, killing an estimated thousands of civilians in reprisal-style raids involving mass executions and village burnings.^[31] This event, one of the war's most severe episodes, displaced tens of thousands and entrenched mutual ethnic animosities, with survivors reporting systematic killings based on tribal identity rather than combatant status.^[13] The violence extended beyond Bor, as Machar's forces conducted similar assaults on Dinka settlements in Jonglei region, contributing to a broader pattern of retaliatory clashes that claimed additional civilian lives throughout 1991–1992.^[32] In the mid-1990s, following the formation of Machar's Sudan People's Liberation Movement/Army (SPLM/A) and its 1996 alliance with the Sudanese government via the Khartoum Peace Agreement, his forces integrated with Khartoum-backed militias, facilitating joint operations that exacerbated ethnic targeting against non-Nuer groups, including Dinkas and Equatorians.^[9] Reports from the period document Machar-allied units' involvement in scorched-earth tactics and abductions in Unity and Upper Nile states, though direct command attribution varies amid fragmented loyalties.^[33] These actions prioritized territorial control over ideological goals, perpetuating cycles of displacement and revenge killings that weakened southern resistance against Khartoum.^[34] Machar publicly acknowledged responsibility for the Nasir faction's crimes, including the Bor Massacre, in an August 2011 address to Bor community leaders, describing them as "heinous" and apologizing amid calls for grassroots reconciliation.^[35] However, the absence of accountability mechanisms during the civil war allowed such violence to recur in later conflicts, underscoring unresolved ethnic fractures from the 1990s.^[36] No formal prosecutions for these specific atrocities have occurred, reflecting broader impunity in Sudan's civil wars.^[9]

Reconciliation with the SPLM

Negotiations Leading to Reintegration

Following his resignation from the Sudanese government in February 2001, where he had served as assistant president after signing the 1997 Khartoum Peace Agreement, Riek Machar accused Khartoum of failing to implement pledged autonomy for southern Sudan and began rallying support in Eastern Upper Nile alongside commander Tito Biel, forming the Southern People's Democratic Front (SPDF) as a vehicle for renewed opposition.^[22]^[37] This shift prompted exploratory talks in 2001 between the SPDF and the Sudan People's Liberation Movement/Army (SPLM/A) led by John Garang, aimed at unifying southern rebel factions against the Sudanese government amid ongoing civil war dynamics and oil field control disputes.^[37]^[38] The negotiations, hosted primarily in Nairobi, focused on reconciling ideological differences—Machar's emphasis on multi-party democracy and self-determination versus Garang's vision of a united "New Sudan"—while addressing command structures, resource sharing, and integration of SPDF forces into the SPLM/A.^[37]^[39] Key sticking points included Machar's prior alliances with Khartoum, which had enabled government offensives against SPLM/A positions, and ethnic tensions exacerbated by past violence under his command; however, mutual incentives for a stronger front against Khartoum drove progress, with Garang conceding to incorporate SPDF demands for internal SPLM/A reforms.^[37]^[40] On January 6, 2002, Garang and Machar formalized the agreement in Nairobi, signing a joint declaration that merged the SPDF into the SPLM/A under Garang's overall leadership, with Machar assuming a senior role and his forces integrating into the SPLA structure.^[37]^[38] This pact, announced publicly two days later, emphasized unity for peace negotiations with Khartoum and reaffirmed commitments to self-determination via referendum, marking Machar's reintegration after over a decade of factionalism.^[22] The merger bolstered SPLM/A cohesion, contributing to subsequent national talks, though underlying ethnic divisions persisted.^[40]

Return to the Fold and Role in Comprehensive Peace Agreement

Following the internal divisions and alliances of the 1990s, Riek Machar initiated reconciliation talks with SPLM leader John Garang in late 2001, amid pressure from southern Sudanese factions and international mediators to unify the insurgency against Khartoum. On January 6, 2002, Machar signed an agreement in Nairobi dissolving his Southern People's Democratic Front (SPDF) and reintegrating its forces into the SPLM/A, effectively returning to the organization's fold under Garang's command.^[38] This merger absorbed approximately 1,500 SPDF fighters and bolstered the SPLM's military cohesion, with Machar appointed as a senior deputy in the unified structure.^[41] Machar's reintegration facilitated broader factional unification, leveraging his prior ties to groups like the South Sudan Defence Forces (SSDF), which had signed the 1997 Khartoum Peace Agreement with Sudan. His mediation helped bridge divides between the SPLA and SSDF remnants, reducing intra-southern fighting and strengthening the SPLM's negotiating position ahead of formal talks with the Sudanese government.^[41] By mid-2002, this unity contributed to the Machakos Protocol, initialing self-determination provisions and a six-year interim period, signed on July 20, 2002, in Kenya.^[42] In the subsequent Naivasha negotiations (2004), Machar, as SPLM deputy, advocated for power-sharing and security arrangements, drawing on his engineering background and factional networks to support protocols on wealth-sharing (May 2004) and resolution of conflicts (June 2004).^[41] These built toward the Comprehensive Peace Agreement (CPA), signed January 9, 2005, in Naivasha by Garang and Sudanese Vice President Ali Osman Taha, which ended the Second Sudanese Civil War, granted southern autonomy, and scheduled a 2011 referendum on independence. Machar's role, though not as lead signatory, was instrumental in internal SPLM consensus-building, preventing factional sabotage during the talks.^[30] Critics within the SPLM, however, attributed lingering distrust to Machar's 1990s alliance with Khartoum, which had supplied arms used against southern forces, though empirical unification outcomes prioritized strategic gains over historical grievances.^[38]

Path to South Sudanese Independence

Advocacy for Self-Determination

Riek Machar's advocacy for self-determination emerged prominently during his 1991 split from the SPLM/A, where he and commanders Gordon Kong and Lam Akol formed factions explicitly fighting for southern independence from Sudan, diverging from John Garang's preference for a united secular state.^[43] This Nasir Declaration on August 28, 1991, introduced self-determination as a core demand, influencing the broader southern liberation discourse despite the ensuing factional violence.^[44] After reconciling with the SPLM in 2002 and assuming roles as deputy chairman and later Vice President of Southern Sudan following the 2005 Comprehensive Peace Agreement (CPA), Machar aligned with the implementation of the accord's self-determination provisions. The CPA, signed January 9, 2005, mandated a referendum on Southern Sudan's status by 2011, reflecting a compromise that incorporated earlier secessionist pressures.^[45] In this capacity, Machar contributed to the political framework advancing the referendum process, which saw 98.83% of participants vote for independence on January 9, 2011, amid a 97.35% turnout.^[46] As Vice President, Machar engaged in post-referendum diplomacy, discussing north-south relations and transitional arrangements in public forums, such as a June 14, 2011, address on preparations for South Sudan's July 9 independence.^[47] His consistent emphasis on self-determination, rooted in addressing southern grievances against northern domination, positioned him as a key figure in the eventual secession, though critics attribute the outcome more to collective SPLM efforts under Garang and Kiir.^[48]

Contributions and Persistent Criticisms from Past Splits

Machar's advocacy for self-determination, articulated in the Nasir Declaration of August 28, 1991, marked a pivotal ideological challenge within the SPLM/A, emphasizing southern independence over John Garang's vision of a united, secular Sudan; this stance influenced subsequent negotiations by highlighting demands for a referendum on secession.^[44]^[43] In December 2001 and January 2002, Machar reconciled with Garang through agreements in London and Nairobi, where both leaders endorsed self-determination for southern Sudan, Nuba Mountains, and Blue Nile regions, integrating Machar's Southern People's Democratic Front forces into the SPLM/A and bolstering its negotiating power.^[49]^[50] This unity facilitated the 2005 Comprehensive Peace Agreement (CPA), which enshrined a 2011 referendum resulting in South Sudan's independence on July 9, 2011, with 98.83% voting for secession.^[50] Despite these contributions, Machar's 1991 split from the SPLM/A precipitated severe internal factionalism, sparking inter-clan violence that killed tens of thousands and exacerbated the 1992-1993 famine in southern Sudan, as rival groups diverted humanitarian aid and resources.^[51] Forces aligned with Machar, primarily Nuer militias, were implicated in the Bor Massacre of November 1991, where over 2,000 Dinka civilians were killed in ethnically targeted attacks, deepening tribal divisions that persist as precursors to the 2013-2018 civil war.^[52] His 1997 Khartoum Peace Agreement with the Sudanese government, which granted him a vice-presidential role and autonomy promises unfulfilled by Khartoum, was widely condemned as collaboration with the enemy, further fragmenting southern resistance and prolonging the Second Sudanese Civil War by diverting Machar's SSIM/A forces from fighting Khartoum to internal skirmishes.^[52]^[53] Critics, including former SPLM/A commanders, argue these actions prioritized personal ambition over collective liberation, sowing distrust that undermined long-term unity even after 2002 reintegration.^[54]^[51]

Post-Independence Political Career

Appointment as Vice President

President Salva Kiir appointed Riek Machar as Vice President of the newly independent Republic of South Sudan on July 10, 2011, via presidential decree issued the day after independence celebrations on July 9.^[55] ^[56] This reappointment extended Machar's prior position as Vice President of the autonomous Government of Southern Sudan under the 2005 Comprehensive Peace Agreement, aiming to unify leadership within the Sudan People's Liberation Movement (SPLM) following decades of civil war against Sudan.^[30] The appointment reflected strategic inclusion of Machar's faction, which had reconciled with the SPLM mainstream in 2002 after earlier schisms, to balance ethnic representation in the government dominated by Kiir's Dinka group against Machar's Nuer base.^[57] Machar assumed responsibilities including oversight of development initiatives and foreign relations, such as representing South Sudan at the July 14-15, 2011, African Union summit where the nation was admitted as the 54th member state.^[58] Initial cabinet formation under Kiir prioritized continuity from the semi-autonomous administration, with Machar's role intended to stabilize post-secession governance amid ongoing border disputes with Sudan and internal resource allocation challenges.^[55] Despite the appointment's unifying intent, underlying power struggles between Kiir and Machar—rooted in competition for SPLM leadership—persisted, foreshadowing future instability, though Machar publicly committed to national development priorities like oil revenue management and infrastructure in early addresses.^[59]^[13]

2013 Dismissal and Outbreak of Civil War

On July 23, 2013, South Sudanese President Salva Kiir dismissed Vice President Riek Machar and the entire cabinet, citing the need for a "reinvigorated" government amid internal divisions within the Sudan People's Liberation Movement (SPLM).^[60]^[61] The move followed Machar's public announcement in March 2013 of his intent to challenge Kiir for SPLM chairmanship and the presidency in upcoming party elections, exacerbating factional rivalries that had simmered since South Sudan's independence in 2011.^[62] Kiir's decree suspended key figures aligned with Machar, including SPLM Secretary-General Pagan Amum, signaling a purge of perceived rivals rather than a routine reshuffle.^[63] Machar condemned the dismissal as unconstitutional and an authoritarian overreach, arguing it violated SPLM protocols and undermined democratic transitions, though he initially called for calm to avoid immediate unrest.^[64]^[65] He refused to vacate his position without due process, framing the sacking as Kiir's attempt to consolidate power and sideline Nuer ethnic interests, given Machar's affiliation with the Nuer community.^[62] Tensions persisted through cabinet reappointments that favored Kiir loyalists, primarily from his Dinka ethnic group, while sidelining Machar's supporters, fostering perceptions of ethnic favoritism in governance.^[63] These frictions culminated in violence on December 15, 2013, when clashes erupted in Juba's barracks between presidential guard units, reportedly triggered by a political meeting of SPLM officials where Machar and allies criticized Kiir's leadership.^[66]^[67] Kiir accused Machar of orchestrating a coup attempt involving detention of officials and seizure of arms, leading to the arrest of several opposition figures.^[59] Machar denied any coup plot, attributing the fighting to Kiir's forces targeting Nuer soldiers in a premeditated ethnic purge, with initial skirmishes escalating as Nuer troops mutinied and fled Juba.^[68] The clashes quickly polarized along ethnic lines, with Dinka militias mobilized against Nuer civilians, resulting in hundreds killed within days and the displacement of thousands.^[69] Machar escaped Juba amid the chaos and relocated to Jonglei State, where he rallied Nuer defectors and formed the core of an armed opposition, denouncing Kiir's government as dictatorial and calling for its overthrow through "liberation" rather than electoral means.^[70] The fighting spread rapidly to other regions, intertwining political grievances with ethnic animosities rooted in historical Dinka-Nuer rivalries from the Sudanese civil wars, leading to widespread atrocities including revenge killings and village burnings by both sides.^[67] By late December, the conflict had evolved into a full-scale civil war, with over 1,000 deaths reported in the first week and international mediation efforts underway, though underlying power struggles between Kiir and Machar remained unresolved.^[71]^[69]

Leadership of the SPLM-IO and Civil War Dynamics

Formation and Objectives of SPLM-IO

The Sudan People's Liberation Movement-in-Opposition (SPLM-IO) emerged in December 2013 under Riek Machar's leadership as a factional challenge to President Salva Kiir's control of the ruling SPLM, following Machar's dismissal as vice president on 23 July 2013 amid accusations of disloyalty and internal power struggles.^[72] The group's initial formalization occurred via a press conference on 6 December 2013, where Machar and allied senior SPLM figures, including former detainees and Garang loyalists, publicly criticized Kiir's leadership for purges, centralization of power, and erosion of the party's democratic norms established during the liberation struggle.^[72] Tensions escalated into open conflict on 15 December 2013 when fighting broke out in Juba between units of the presidential guard, rapidly acquiring ethnic overtones as Dinka-dominated forces targeted Nuer soldiers and civilians, resulting in hundreds of deaths and prompting mass defections of Nuer SPLA officers to Machar's nascent opposition.^[72]^[73] Kiir's government accused Machar of orchestrating a coup attempt, which he denied, framing the events as a spontaneous mutiny against authoritarianism; this violence catalyzed the SPLM-IO's military mobilization, drawing primarily from Nuer communities in Greater Upper Nile through alliances with defected SPLA units and irregular militias like the "white armies."^[72] The SPLM-IO's core objectives, as articulated by Machar, focused on ousting Kiir to enable political reforms, including democratization of the SPLM, establishment of federalism to devolve authority to states and mitigate ethnic-regional imbalances, and accountability for abuses such as the Juba killings via independent judicial mechanisms.^[72]^[73] These aims positioned the group as a reformist alternative rather than a secessionist force, emphasizing national reconciliation, transparent governance, and power-sharing to prevent the concentration of authority seen under Kiir; however, the objectives remained vaguely defined in early statements, with practical efforts blending negotiation (e.g., via IGAD mediation) and armed resistance.^[73] The movement's structures were consolidated at a convention in Nasir in April 2014, appointing Machar as chairman and commander-in-chief, alongside figures like Taban Deng Gai, while attempting to broaden beyond its Nuer base by including non-Nuer politicians and military leaders from Shilluk and Equatorian groups.^[73] Despite reformist rhetoric, the SPLM-IO's rapid ethnic homogenization— with Nuer comprising the bulk of fighters and leadership—reflected underlying causal drivers of tribal competition for state resources post-independence, complicating its national aspirations.^[72]^[73]

Military Campaigns, Ethnic Dimensions, and Human Rights Abuses

Following the 2013 political split, the Sudan People's Liberation Movement-in-Opposition (SPLM-IO), under Riek Machar's leadership, mobilized primarily Nuer ethnic militias, including irregular fighters known as the White Army, to launch offensives against government forces loyal to President Salva Kiir. In late December 2013, SPLM-IO forces advanced from Juba toward key northern towns, capturing Bentiu in Unity State by January 9, 2014, after intense fighting that displaced thousands. They also seized Bor in Jonglei State around January 7, 2014, and Malakal in Upper Nile State on December 24, 2013, though control over these oil-rich and strategic areas shifted repeatedly through 2014-2015 due to counteroffensives by government troops supported by Ugandan forces. The White Army, a decentralized Nuer youth militia historically used for cattle defense and mobilized by Machar loyalists, played a central role in these campaigns, providing the bulk of irregular fighters who overran government garrisons in Jonglei and Upper Nile regions, often without formal command structures.^[74]^[9] By mid-2016, SPLM-IO offensives had largely stalled, with heavy fighting erupting again in Juba in July, where Machar's forces attempted to consolidate power but were driven out, leading to his flight to Sudan.^[59] The conflict rapidly assumed ethnic dimensions, pitting Nuer fighters aligned with Machar against Dinka-dominated government forces under Kiir, exacerbating pre-existing tribal rivalries over resources and power. SPLM-IO recruitment drew overwhelmingly from Nuer communities, particularly Lou Nuer subgroups, framing the rebellion as a defense against perceived Dinka hegemony, while government rhetoric portrayed it as a Nuer insurgency. This ethnic framing fueled revenge cycles, with SPLM-IO propaganda via radio in captured areas like Bentiu inciting attacks on Dinka, Equatorian, and non-Nuer civilians as "traitors." The White Army's involvement intensified communal mobilization, as Nuer civilians were coerced or volunteered en masse for battles, viewing the war as existential protection against Dinka expansionism, though internal SPLM-IO fractures among Nuer subclans occasionally led to infighting.^[9]^[74] Reports from field observers noted that by 2014, up to 75% of SPLM-IO combatants were White Army irregulars, blurring lines between rebel military operations and ethnic militancy.^[74] SPLM-IO forces under Machar's command committed widespread human rights abuses, including targeted ethnic killings, rape, and looting, often amounting to war crimes as documented by UN and NGO investigators. In Bor from January 1-18, 2014, opposition fighters killed hundreds of Dinka civilians in reprisal attacks, with specific incidents including the shooting of 14 women sheltering in St. Andrews Episcopal Church and 13 patients at Bor Hospital; mass graves held 525 bodies by late January.^[9] In Bentiu on April 14-15, 2014, SPLM-IO elements massacred at least 385 civilians, primarily Dinka and Darfuri traders, by luring them into a mosque under false protection promises before opening fire, alongside killings in a hospital and targeted rapes broadcast over local radio to terrorize non-Nuer groups.^[75]^[9] These acts, verified through eyewitness accounts and forensic evidence, involved drunken fighters in mixed civilian-military attire systematically targeting based on ethnicity, with looting and arson destroying up to 10% of Bor's structures. SPLM-IO leadership, including Machar, denied systematic involvement but initiated internal probes only after international pressure, amid reports of child recruitment and forced conscription from Nuer communities.^[9]^[76] While government forces perpetrated parallel abuses against Nuer, the opposition's actions in controlled areas demonstrated a pattern of ethnic cleansing intent, contributing to over 4,000 civilian deaths in early 2014 alone.^[9]

Peace Processes and Returns to Power

2015 and 2018 Agreements

The Agreement on the Resolution of the Conflict in South Sudan (ARCSS) was signed on August 17, 2015, in Addis Ababa, Ethiopia, under mediation by the Intergovernmental Authority on Development (IGAD), following two years of negotiations amid the civil war that erupted in December 2013.^[46] Riek Machar, as chairman of the Sudan People's Liberation Movement/Army in Opposition (SPLM/A-IO), affixed his signature alongside President Salva Kiir of the SPLM in Government, representatives of former detainees, and other stakeholders, committing to a permanent ceasefire and transitional arrangements.^[77] Key provisions included the formation of a Transitional Government of National Unity (TGNU) within 90 days, with Machar designated to resume his role as First Vice President; power-sharing allocations granting SPLM/A-IO 33% of executive positions, 33% of legislative seats, and equivalent shares in state governments; and security sector reforms mandating the cantonment, disarmament, and gradual unification of opposing forces into a single national army.^[78] The agreement also outlined economic reforms, resource-sharing mechanisms, and a commitment to constitutional reform, including provisions for federalism, though implementation timelines were tight and reliant on trust between Kiir and Machar, whose rivalry had ignited the conflict.^[79] Despite initial progress, such as Machar's return to Juba in April 2016 and the swearing-in of the TGNU, the ARCSS collapsed amid renewed fighting in July 2016, triggered by clashes in the capital between government and opposition forces, which forced Machar to flee to the Democratic Republic of Congo and later Sudan.^[80] IGAD and international partners attributed the breakdown to failures in security arrangements, including incomplete disarmament of troops in Juba and persistent command-and-control disputes, highlighting the agreement's overreliance on elite pacts without robust enforcement or addressing underlying ethnic mobilizations exploited by both sides.^[78] The Revitalized Agreement on the Resolution of the Conflict in the Republic of South Sudan (R-ARCSS) emerged from IGAD-led talks in Khartoum, Sudan, culminating in its signing on September 12, 2018, after the 2016 collapse and subsequent ceasefires.^[81] Machar, representing SPLM/A-IO, signed the document, agreeing to its core framework while securing adjustments like an extended 36-month transitional period (versus 30 months in ARCSS) and a reduction from 32 to 10 states to resolve governance disputes.^[82] Provisions reinstated Machar as First Vice President in the revitalized TGNU, maintained power-sharing ratios (SPLM/A-IO at 35% of ministerial posts, adjusted for inclusivity), and emphasized phased security unification with training and integration of 83,000 opposition forces into the national army, alongside transitional justice mechanisms such as a Hybrid Court and truth commissions.^[81]^[83] The agreement also prioritized resource mobilization via a Special Reconstruction Fund and electoral preparations, though critics noted its elite-centric focus perpetuated fragility by sidelining broader societal reforms.^[59] Implementation of the R-ARCSS lagged, with the TGNU not fully constituted until February 22, 2020—18 months late—due to disputes over security sites and force ratios, during which sporadic violence persisted despite the nominal ceasefire.^[59] Machar's delayed return to Juba underscored ongoing mistrust, as SPLM/A-IO forces remained cantonment-dependent and unification stalled at under 50% by mid-2021, per monitoring reports, reflecting the agreements' repeated vulnerability to the personal dynamics between Kiir and Machar rather than institutionalized accountability.^[83]

Reappointment as First Vice President and Fragile Unity

The Revitalized Agreement on the Resolution of the Conflict in South Sudan (R-ARCSS), signed on September 12, 2018, by President Salva Kiir and opposition leaders including Riek Machar, outlined a power-sharing structure that allocated the position of First Vice President to Machar as leader of the Sudan People's Liberation Movement-in-Opposition (SPLM-IO).^[84] Implementation stalled for over a year due to disputes over security arrangements and the number of states, extending the pre-transitional period until February 2020.^[59] On February 22, 2020, Kiir issued a decree appointing Machar as First Vice President, and Machar was sworn into office later that day at the State House in Juba, formally launching the Revitalized Transitional Government of National Unity (RTGoNU).^[85] ^[86] This marked Machar's third stint in the vice presidency, following prior roles in 2005 and 2015, and aimed to consolidate the 2018 peace deal amid international pressure from mediators like IGAD and the United States.^[87] Machar's return to Juba, secured with guarantees of protection after his 2016 exile, symbolized renewed commitment to power-sharing but highlighted ongoing reliance on ethnic-based alliances, with SPLM-IO allocated 35% of positions in the unity cabinet.^[88] Despite the RTGoNU's formation, unity remained precarious, undermined by incomplete security sector reforms stipulated in Chapter II of the R-ARCSS, including the failure to graduate and unify over 220,000 troops from opposing forces by the agreed deadlines.^[83] Persistent subnational violence, often along Dinka-Nuer lines, claimed thousands of lives annually, with reports documenting over 1,000 civilian deaths in 2020 alone from inter-communal clashes.^[89] Political mistrust between Kiir and Machar exacerbated delays, evidenced by infrequent high-level meetings and unaddressed grievances over resource allocation and command structures, fostering a parallel governance system where SPLM-IO maintained autonomous control in opposition-held areas.^[90] Economic stagnation and corruption further eroded the government's legitimacy, with oil revenues—comprising 98% of the budget—plagued by mismanagement and elite capture, leaving public services underfunded and fueling inflation rates exceeding 100% in 2020.^[91] International observers, including the UN, noted impunity for past atrocities as a core obstacle, with hybrid courts mandated by the agreement remaining unestablished, allowing cycles of retaliation tied to Machar's Nuer base and Kiir's Dinka supporters.^[91] By late 2021, elections originally slated for December 2020 were indefinitely postponed, extending the transitional period and exposing the agreement's elite bargain nature, which prioritized positions over institutional reforms.^[59] These dynamics underscored causal factors like unresolved ethnic power imbalances and weak state capacity, rendering the unity fragile against shocks such as floods and refugee crises displacing over 2 million people internally.^[92]

Recent Developments and Legal Challenges

Post-2018 Governance and Tensions

Following the signing of the Revitalized Agreement on the Resolution of the Conflict in the Republic of South Sudan (R-ARCSS) on September 12, 2018, a Transitional Government of National Unity (TGONU) was established to implement power-sharing provisions, with President Salva Kiir retaining the presidency and Riek Machar appointed as First Vice President representing the Sudan People's Liberation Movement-in-Opposition (SPLM-IO).^[89]^[93] Machar's initial return to Juba occurred on October 31, 2018, for a peace ceremony, but substantive participation was delayed amid security concerns; he formally rejoined the government on February 22, 2020, after negotiations resolved preconditions including guarantees for his forces' integration.^[94]^[91] As First Vice President, Machar oversaw opposition-aligned ministries and engaged in bilateral talks with Kiir, such as the May 3, 2024, meeting focused on unifying armed forces, though progress remained limited.^[95] Implementation of the R-ARCSS faltered across critical benchmarks, with the Reconstituted Joint Monitoring and Evaluation Commission (RJMEC) reporting overall progress at approximately 50% by mid-2024, hampered by inadequate funding, repeated cease-fire violations, and incomplete security reforms.^[96]^[97] Security unification, requiring the integration of roughly 83,000 SPLA and 60,000 opposition troops into a unified force of 83,000, saw only partial cantonment and screening, with no full operational merger by 2024 due to disputes over command structures and resource allocation.^[98] Elections, originally slated for 2022 under the agreement's 36-month transitional period extended to December 2019 formation, were repeatedly deferred; the December 2024 vote was postponed to December 2026 on September 12, 2024, citing unfinished tasks like constitutional drafting and voter registration for 5.8 million eligible citizens.^[99]^[100] Tensions between Kiir and Machar persisted, rooted in mutual distrust and ethnic alignments—Kiir's Dinka base versus Machar's Nuer support—exacerbated by stalled reforms that failed to address underlying grievances like resource distribution and elite capture.^[101]^[102] Sporadic clashes erupted, including government-opposition skirmishes in Upper Nile and Equatoria regions in 2023-2024, killing hundreds and displacing thousands, often tied to local power struggles rather than direct SPLM-IO mobilization but signaling fragility.^[103] The agreement's elite power-sharing model prioritized Kiir-Machar accommodation over broader institutional reforms, leaving governance vulnerable to patronage networks and economic stagnation, with South Sudan's GDP per capita remaining below $300 amid oil revenue disputes.^[104]^[105] Despite these strains, full-scale civil war was averted through IGAD-mediated dialogues and external pressure, though analysts noted the peace as a "negative peace" lacking positive transformation.^[106]^[107]

2025 Arrest, Charges, and Ongoing Trial

On March 26, 2025, South Sudan's government placed First Vice President Riek Machar under house arrest in Juba, following a series of attacks by the Nuer White Army militia on a military base in Nasir, Upper Nile State, earlier that month, which resulted in over 200 deaths, including soldiers and civilians.^[108]^[109]^[110] The National Security Service led the initial arrests of Machar and several associates, attributing the violence to his orchestration or incitement, though Machar's supporters described the move as politically motivated to sideline him ahead of delayed elections.^[111]^[112] Formal charges were filed against Machar on September 11, 2025, by the Minister of Justice, accusing him of treason, murder, crimes against humanity, and up to 99 related counts stemming from the Nasir incidents and alleged broader insurgent activities.^[113]^[114]^[115] President Salva Kiir simultaneously suspended Machar from his position, escalating tensions in the fragile power-sharing arrangement under the 2018 Revitalized Agreement.^[116]^[117] Machar and his seven co-defendants, including senior Sudan People's Liberation Movement-in-Opposition (SPLM-IO) figures, have denied the allegations, with defense lawyers arguing the proceedings constitute a "witch-hunt" lacking evidence of direct command responsibility.^[113]^[118] The trial commenced before a special court in Juba on September 22, 2025, with prosecutors presenting evidence from investigations into the White Army raids, including witness testimonies and forensic details of the Nasir assault.^[113]^[119] On September 29, 2025, the court rejected Machar's immunity claim under the peace accord, affirming jurisdiction and proceeding despite international calls from groups like Human Rights Watch for due process safeguards.^[114]^[120] As of late October 2025, sessions have included cross-examinations of investigators and adjournments—such as to October 20 and beyond—amid defense challenges to the trial's legality and complaints over procedural irregularities, like the disappearance of vehicles during arrests.^[118]^[119]^[112] The case has heightened risks of renewed ethnic violence between Dinka and Nuer factions, with Ugandan troop deployments bolstering Kiir's regime amid fears of SPLM-IO resurgence.^[110]^[121]

Major Controversies

Repeated Rebellions and Accusations of Betrayal

In August 1991, Riek Machar, then a senior commander in the Sudan People's Liberation Army (SPLA), led a factional split from the SPLM/A under John Garang, forming the SPLA-Nasir group alongside Gordon Kong Chuol and others, primarily drawing support from Nuer ethnic militias.^[12]^[20] The breakaway was precipitated by disagreements over Garang's centralized leadership and vision for a united secular Sudan, with Machar advocating for southern self-determination and federalism, though critics within the SPLM-Torit faction, loyal to Garang, labeled it a coup attempt that fragmented the anti-Khartoum resistance and invited retaliatory ethnic violence, including the Bor massacre in November 1991 where thousands of Dinka civilians were killed by Nasir-aligned forces.^[21]^[122] Machar's Nasir faction further alienated southern unity advocates in 1997 by signing the Khartoum Peace Agreement with the Sudanese government in Sudan, incorporating his forces into Khartoum's military structure and accepting nominal autonomy for southern regions, a move decried by Garang loyalists as a betrayal that legitimized the Islamist regime and undermined the SPLM's insurgency, as it provided Khartoum with a propaganda victory and divided southern fighters during ongoing hostilities.^[123] Despite these rifts, Machar reconciled with the mainstream SPLM in 2002, reintegrating into the movement ahead of the 2005 Comprehensive Peace Agreement, but accusations of serial disloyalty persisted among Dinka-dominated SPLM elements who viewed his actions as opportunistic power grabs exploiting ethnic grievances rather than principled stands.^[124] The pattern recurred post-independence in July 2013, when President Salva Kiir dismissed Machar as vice president amid internal SPLM politburo tensions; Machar rejected the ouster as authoritarian, mobilizing Nuer troops and launching the SPLM-In Opposition (SPLM-IO) rebellion after clashes erupted in Juba on December 15, 2013, which Kiir's government framed as a failed coup d'état by Machar and ten associates, betraying the hard-won statehood and reigniting ethnic massacres that killed tens of thousands in the ensuing civil war.^[59]^[125] Machar denied coup allegations, portraying his uprising as a corrective to Kiir's centralization and corruption, yet the rebellion's ethnic mobilization—SPLM-IO forces targeting Dinka civilians—reinforced charges from Kiir's camp of habitual treachery, as Machar's prior splits had similarly eroded trust and prolonged conflicts.^[126] Renewed fighting in July 2016, shortly after Machar's brief return as first vice president under the August 2015 peace accord, saw SPLM-IO forces clash with government troops in Juba, forcing Machar to flee the capital and prompting Kiir to declare him a threat to national security; this episode, resulting in hundreds of deaths and widespread displacement, amplified longstanding critiques from South Sudanese analysts and SPLM hardliners that Machar's repeated insurrections—spanning 1991, 2013, and 2016—stemmed from personal ambition over collective stability, consistently fracturing fragile coalitions and exacerbating tribal divisions despite his defenses of democratic reform.^[127]^[128]

Role in Fomenting Tribal Divisions and Violence

Riek Machar's leadership of opposition factions has historically exacerbated ethnic tensions between Nuer and Dinka communities in South Sudan, transforming political disputes into communal violence. During the 1991 SPLA split, Machar co-led the Nasir faction, whose forces conducted attacks in Dinka-dominated areas, culminating in the Bor Massacre where an estimated 2,000 Dinka civilians were killed by Nuer fighters in November 1991, an event that entrenched mutual distrust and set a precedent for ethnic targeting in Southern Sudanese conflicts.^[129] This violence stemmed from factional rivalries but rapidly assumed tribal dimensions, with Machar's group recruiting heavily along Nuer lines and justifying assaults as countermeasures against perceived Dinka favoritism under John Garang.^[130] The 2013 crisis following Machar's dismissal as vice president by Salva Kiir further ethnicized conflict, as Machar assumed command of the SPLA-in-Opposition (SPLA-IO), which became predominantly Nuer in composition and mobilized under narratives of Dinka tribal domination of state institutions.^[131] SPLA-IO recruitment emphasized ethnic solidarity, drawing Nuer youth into irregular militias like the White Army, a cattle-herding force that served as de facto auxiliaries and propagated revenge against Dinka civilians for alleged atrocities in Juba.^[132] By framing the insurgency as a defense of Nuer interests against Kiir's "Dinka government," Machar contributed to cycles of retaliatory killings, with SPLA-IO forces responsible for displacing over 1 million people through targeted ethnic violence in Unity and Upper Nile states between 2014 and 2016.^[133] SPLA-IO operations under Machar's direction included documented instances of tribal pogroms, notably the April 2014 Bentiu offensive where opposition fighters, including White Army elements, killed at least 385 civilians—primarily Dinka men, women, and children—sheltering in mosques, hospitals, and markets, with perpetrators using radio broadcasts to incite killings based on ethnicity and selectively raping women from opposing groups.^[75] United Nations investigations attributed these acts to SPLA-IO command structures, noting the systematic nature of the ethnic targeting that followed the group's capture of the town from government forces.^[75] Similar patterns recurred in 2015-2016 clashes in Unity State, where SPLA-IO-aligned militias enforced Nuer-only zones, executing Dinka and Equatorian residents and burning villages, actions that human rights monitors linked to orders from field commanders loyal to Machar.^[134] Despite Machar's public disavowals of ethnic motives, asserting a political basis for the rebellion, the SPLA-IO's reliance on tribal militias and failure to discipline abusers perpetuated divisions, as evidenced by ongoing White Army mobilizations in 2025 that targeted Dinka settlements in northern South Sudan, killing at least 14 in clashes near Nasir and reigniting fears of broader communal war.^[135] Independent analyses highlight how this ethnic mobilization undermined pan-South Sudanese unity, with SPLA-IO rhetoric often invoking historical grievances to justify violence, thereby hindering reconciliation efforts and sustaining low-level tribal skirmishes even during ceasefires.^[136]^[103]

Personal Life and Other Contributions

Family and Relationships

Riek Machar was first married to Emma McCune, a British aid worker, in 1991; she died in a car accident in Nairobi on July 24, 1993, at the age of 29 while pregnant with their child.^[137] Machar's second wife is Angelina Teny, a South Sudanese politician who has held ministerial positions including Defense Minister in 2023 and Interior Minister thereafter; the couple married after McCune's death and share four children.^[138]^[139] One of their daughters, Meer Riek Machar, entered a customary marriage in Juba on July 31, 2022, to William Deng Rehan, with a dowry of 45 cows, though the family initially requested only 11 per traditional norms.^[140] In March 2025, both Machar and Teny faced arrest and house arrest amid political tensions in South Sudan, highlighting their intertwined personal and public lives.^[141]

Literary and Intellectual Works

Riek Machar holds a PhD in mechanical engineering from the University of Bradford, awarded in 1984, representing his primary academic intellectual contribution prior to his full immersion in Sudanese politics; the dissertation focused on aspects of fluid mechanics, a field with potential applications in engineering and resource management, though its specific title and contents have not been widely disseminated in public archives.^[15] In the realm of political intellectual works, Machar authored and presented "South Sudan: A History of Political Domination - A Case of Self-Determination" on 19 November 1995, a document issued under the Nasir faction of the Sudan People's Liberation Army (SPLA) that systematically detailed historical patterns of northern Sudanese domination over southern regions, including economic marginalization and cultural suppression, while arguing for self-determination as the logical remedy to entrenched inequities.^[44] This paper, circulated among international audiences and African studies circles, marked an early formal articulation of secessionist ideology within southern Sudanese opposition circles, influencing subsequent advocacy for referendums and federal structures.^[44] Machar has not published books, peer-reviewed articles, or essays in literary or scholarly journals, with his intellectual output largely confined to political manifestos, speeches, and factional declarations rather than standalone academic or literary productions; claims of forthcoming books on self-determination and post-war transitions, such as those referenced in partisan online discussions, lack verification from reputable publishers or archives as of 2025.

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South Sudan: President Dismisses Cabinet and Vice President
Jul 23, 2013 · July 23, 2013. President Salva Kiir dismissed his entire cabinet and his vice president on Tuesday and suspended his top negotiator at talks ...
[61]
South Sudan's Salva Kiir sacks cabinet - BBC News
Jul 24, 2013 · Salva Kiir issued a decree dismissing all ministers and deputy ministers, as well as Vice-President Riek Machar. No clear reason was given ...Missing: details | Show results with:details
[62]
South Sudan president sacks cabinet in power struggle
Jul 24, 2013 · Those fired by Salva Kiir include his chief political rival, vice-president Riek Machar, and Pagan Amum, the SPLM's secretary-general and the ...
[63]
South Sudan president fires cabinet | News | Al Jazeera
Jul 24, 2013 · South Sudan's President Salva Kiir Mayardit has dismissed Vice President Riek Machar Teny, along with all his cabinet ministers.Missing: details | Show results with:details
[64]
SOUTH SUDAN / RIEK MACHAR | UNifeed - UN Media
Jul 26, 2013 · South Sudan's former vice president Riek Machar has called for calm following his dismissal from government. Speaking to the media at his house ...
[65]
Kiir sacks his entire cabinet – DW – 07/23/2013
Jul 23, 2013 · State media in South Sudan has announced that President Salva Kiir fired all his ministers and deputy ministers, along with Vice President Riek Machar Teny.
[66]
South Sudan profile - Timeline - BBC News
Aug 6, 2018 · 2016 April - Riek Machar finally returns to Juba and is sworn in as first vice-president in a new unity government - but is sacked in July after ...
[67]
Timeline: South Sudan since independence | News - Al Jazeera
Feb 22, 2020 · 2013: Civil war. On July 23, 2013, Kiir fires Machar as well as all government ministers, their deputies and several police brigadiers. On ...
[68]
South Sudan's December 2013 conflict - ACCORD
The deadly conflict that began on 15 December 2013 in the country has killed thousands of people and displaced more than 1 500 000, with significant ...
[69]
South Sudan Chronology of Events - Security Council Report
Jun 7, 2022 · On 16 December, South Sudanese President Salva Kiir alleged a coup attempt by forces loyal to former Vice-President Riek Machar. Council members ...
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The South Sudanese Civil War (2013- ) | BlackPast.org
Sep 3, 2018 · The conflict began in 2013 when Kiir dismissed his vice president Riek Machar from office after Machar openly expressed his intention to ...
[71]
The facts: What you need to know about the South Sudan crisis
In December 2013, political infighting erupted into violence in the streets of the capital, Juba, after South Sudan's president accused his vice president of an ...<|separator|>
[72]
[PDF] The SPLM-in-Opposition - Small Arms Survey
May 2, 2014 · Its goals are not well articulated: in interviews, Machar has referred to liberating South Sudan from Salva. Kiir in order to achieve ...
[73]
[PDF] A Fractious Rebellion: Inside the SPLM-IO
Riek Machar attempted a coup, as alleged by. Salva Kiir and the GRSS. The ... President Uhuru Kenyatta called for the Arusha talks on SPLM reconciliation.
[74]
[PDF] The Nuer White Army in South Sudan's Civil War - Small Arms Survey
It is the white army and not the black or regular forces of the SPLM-IO that largely captured the government-controlled towns of Jonglei and Upper Nile, but ...
[75]
[PDF] Attacks on Civilians in Bentiu & Bor April 2014
Jan 9, 2015 · They left without killing further civilians. As heavy shooting was still reported outside the mosque compound and as few people had been killed ...
[76]
SPLA-IO rebels begin investigation into April 2014 Bentiu massacre
Feb 25, 2015 · S Sudan rebel general admits to killing of unarmed Darfurians (16 Jan.) Document: UN releases details of April Bentiu massacre (11 Jan.) UN ...
[77]
AGREEMENT ON THE RESOLUTION OF THE CONFLICT IN THE ...
RIEK MACHAR TENY, CHAIRMAN OF THE ARMED OPPOSITION; - HON. PAGAN AMUM OKIECH, REPRESENTING THE FORMER DETAINEES; OTHER SOUTH SUDANESE STAKEHOLDERS. THE ...
[78]
Conflict Resurgence and the Agreement on the Resolution of the ...
Oct 19, 2016 · The agreement sought to end the deadly civil war that had broken out in South Sudan in December 2013, following power struggles between Kiir and Machar.
[79]
[PDF] The Agreement on Resolution of Conflict in South Sudan (ARCSS ...
Kiir in command of. SPLM/SPLA then engaged Machar who broke off with a splinter of the Party and Army, later to be known as SPLM/SPLA in opposition. (SPLM/SPLA- ...
[80]
Update on Efforts to Implement the 2015 Agreement on the ...
Sep 22, 2016 · The attempt in the peace agreement to bring the opposition, known as the IO, led by Riek Machar at the time, and the government of the day, led ...
[81]
[PDF] South Sudan Peace Agreement September 2018 - PCA-CPA
Sep 12, 2018 · The Chairman of SPLM/A-IO Dr Riek Machar Teny shall assume the ... Agreement on Resolution of the Conflict in South Sudan of 2015 (ARCSS).
[82]
Revitalised Agreement on the Resolution of the Conflict in the ...
The Chairman of the SPLM/A-IO Dr. Riek Machar Teny shall assume the position of the First Vice President of the Republic of South Sudan for the duration of the ...
[83]
Taking Stock of the Revitalized Agreement on the Resolution of the ...
Jan 12, 2019 · A survey of the main elements of the Revitalized Agreement on the Resolution of the Conflict in South Sudan assesses prospects for implementation.
[84]
A Brief Guide to South Sudan's Fragile Peace
Dec 12, 2019 · What is driving the conflict? The spark for the 2013 conflict lay in Riek Machar's alleged plans to challenge Salva Kiir as leader of the ...Missing: accusation | Show results with:accusation
[85]
South Sudan President Kiir appoints former rebel leader vice president
Feb 22, 2020 · On Thursday, the former rivals agreed to create a unity government before a February 22 deadline, paving the way for today's appointment.
[86]
South Sudan Leader Appoints Ex-Rebel Leader as His Deputy
Feb 22, 2020 · While President Salva Kiir appointed the former rebel leader Riek Machar as the country's first vice president, Mr. Kiir did not swear him ...
[87]
Riek Machar is appointed South Sudan's vice-president for third time
Aug 13, 2024 · South Sudan's president Salva Kiir on Friday appointed rebel leader Riek Machar as vice president, paving way for the formation of a unity government.
[88]
South Sudan rivals Salva Kiir and Riek Machar strike unity deal - BBC
Feb 22, 2020 · Former South Sudanese rebel leader Riek Machar has been sworn in as first vice-president, sealing a peace deal aimed at ending six years of ...
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South Sudan - Global Centre for the Responsibility to Protect
Jul 15, 2025 · The R-ARCSS established the Transitional Government of National Unity (TGoNU), led by President Kiir and First Vice President Machar, in a power ...Missing: early | Show results with:early
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The Fragile Peace: What is the Fate of South Sudan's Transitional ...
Sep 19, 2019 · President Salva Kiir and opposition leader Riek Machar at the signing of the Revitalized Agreement on the Resolution of the Conflict in South ...
[91]
Deadlock broken, South Sudan on road to 'sustainable peace', but ...
Mar 4, 2020 · Key issues · Impunity – by increasing support to the police and justice chain. · Corruption – through financial accountability and transparency.
[92]
Five things to know about South Sudan's fragile peace deal
Sep 16, 2025 · Under the Revitalized Agreement for Resolution of Conflict in South Sudan, Salva Kiir reinstated Machar, now leading the breakaway SPLM-IO ...
[93]
Revitalised Agreement on the Resolution of the Conflict in the ...
Provisions of the Transitional Constitution of the Republic of South Sudan and ARCSS on participation of women (35%) in the Executive shall be observed.
[94]
South Sudan rebel leader Machar back in Juba after two years
Oct 31, 2018 · Ex-vice president Riek Machar returned for the first time since 2016 to take part in a peace ceremony. South Sudan rebel leader Riek Machar.
[95]
President Kiir, FVP Machar discuss unification of forces Juba, Friday ...
May 3, 2024 · Kiir's Reconstituted Peace Committee Excludes Security Arrangements, Raising Fresh Concerns In a move that has triggered concern among peace ...
[96]
RJMEC report on the status of implementation of the revitalised ...
Oct 11, 2024 · This report covers the status of implementation of the Revitalised Agreement on the Resolution of the Conflict in the Republic of South Sudan (R-ARCSS)
[97]
RJMEC Quarterly Report: Repeated violations ground R-ARCSS ...
Apr 28, 2025 · The Commission observed “repeated violations” of the Revitalised Agreement saying, “During the quarter, implementation of the Agreement ground to a halt.
[98]
[PDF] South Sudan: The Perils of Security Governance and the ...
Some of the challenges facing security governance in South Sudan include the legacies of some historical events including the “Big Tent Policy”, absence of ...
[99]
South Sudan postpones December election by two years - Al Jazeera
Sep 14, 2024 · South Sudan's government has announced it is postponing long-delayed general elections until December 2026, citing a lack of preparedness.Missing: 2022-2024 | Show results with:2022-2024
[100]
International peace guarantors criticise South Sudan election ...
Sep 19, 2024 · International guarantors of South Sudan's peace process said the transitional government's postponement of elections due in December was ...
[101]
Fighting flares in South Sudan: Is the 2018 peace deal in danger?
Mar 7, 2025 · Although calm returned after a peace deal in 2018, analysts said that agreement is now under threat from renewed tensions between Kiir and Machar.Missing: Revitalized | Show results with:Revitalized<|separator|>
[102]
Is South Sudan's Peace Deal Falling Apart Again?
Apr 10, 2025 · The biggest problem with the 2018 deal is that it focused too much on power-sharing between Kiir and Machar, and not enough on the root causes ...
[103]
South Sudan's peace process stagnates as violence grips Greater ...
Jan 31, 2025 · Though SPLM and SPLM-IO signed the R-ARCSS peace deal in 2018, in reality, Kiir was largely victorious over Machar and faced little incentive ...
[104]
South Sudan's shaky peace is at risk of collapse. Can it be saved?
Apr 9, 2025 · This agreement is now being strained to breaking point by clashes between government and opposition forces, the arrest of prominent political ...Missing: post- | Show results with:post-
[105]
South Sudan Country Report 2024 - BTI Transformation Index
In February 2020, after a two-year process, parties to the ongoing conflict led by President Salva Kiir Mayardit and former First Vice President Riek Machar ...
[106]
Beyond Elite Bargains: The Legacy and Future of IGAD's Mediation ...
Jul 21, 2025 · In March 2025, the arrest of South Sudan's First Vice President Riek Machar reignited fears of renewed civil war.
[107]
Op-Ed| Is the South Sudan peace deal dead? - Radio Tamazuj
Jun 2, 2025 · The R-ARCSS was framed as a clean reset: an inclusive power-sharing pact that would reunite old enemies in one government, dissolve parallel armies into a ...
[108]
South Sudan VP Machar charged with treason and murder ... - Reuters
Sep 11, 2025 · Machar has been under house arrest since March in connection with attacks by the White Army militia in the northeastern town of Nasir.
[109]
South Sudan: Ensure Due Process, Fair Trials of Opposition
Sep 15, 2025 · On March 26, 2025, South Sudan's government placed Machar under house arrest. This followed arrests led by the National Security Service ...
[110]
Criminal Charges against South Sudan's Vice President Threaten ...
Sep 16, 2025 · ... Machar, whom he put under house arrest on 26 March 2025. Ugandan soldiers, meanwhile, have been shoring up Kiir's government, protecting key ...
[111]
South Sudan vice-president charged with murder and treason - BBC
Sep 12, 2025 · South Sudan's First Vice-President Riek Machar has been charged with murder, treason and crimes against humanity in a move that some fear ...
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https://www.radiotamazuj.org/en/news/article/machars-cars-vanish-during-house-arrest-court-told
[113]
Treason trial of South Sudan's suspended VP Machar begins | Reuters
Sep 22, 2025 · Riek Machar charged over White Army raids · Case renews fears of return to conflict · Suspended VP and co-accused deny charges.
[114]
South Sudan court rejects ex-VP's bid to halt murder and treason trial
Sep 29, 2025 · Machar has dismissed the charges brought against him two weeks ago as a political "witch-hunt". They have raised fears of return to civil war.
[115]
South Sudan's vice president Machar charged with treason - DW
Sep 11, 2025 · Riek Machar has been under house arrest since March, and the latest charges threatens the fragile power-sharing agreement with President ...
[116]
South Sudan's vice president charged with treason and murder | CNN
Sep 12, 2025 · Machar has been under house arrest since March in connection with attacks by the White Army militia in the northeastern town of Nasir. Related ...
[117]
The risky trial of Riek Machar - Justice Info
Oct 2, 2025 · South Sudan's Civil Society Forum called for judicial independence, due process, and restraint from “political interference or incitement ...<|separator|>
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https://www.sudanspost.com/machar-defense-challenges-trial-legality-amid-investigators-cross-examination/
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https://www.eyeradio.org/machar-trial-adjourns-following-courts-ruling-on-defense-plea/
[120]
The special court rules that the suspended Vice-President Riek ...
Sep 29, 2025 · The special court rules that the suspended Vice-President Riek Machar is not immune from prosecution and it can put him on trial.
[121]
South Sudan: Is Riek Machar's trial threatening stability? - DW
Sep 25, 2025 · South Sudan's Vice President Riek Machar is on trial for charges that include murder and treason, sparking fears of renewed civil war and ...
[122]
RIEK MACHAR APOLOGISED TO SPLM-TORIT FACTION FOR ...
Aug 9, 2011 · In 1991 the vice president, Riek Machar, split from the SPLM/A under the leadership of late John Garang, calling for self-determination for the ...
[123]
https://www.youtube.com/watch?v=XQftC-ELa48
[124]
Riek Machar Teny Dhurgon | Profile - Africa Confidential
When Riek Machar Teny Dhurgon split the SPLM in 1991 Athor who was serving under him led loyalist forces against him in the fighting ...
[125]
Treason trial begins for South Sudan VP Machar as 'unity ...
Sep 22, 2025 · South Sudan has started holding a trial for First Vice President Riek Machar, who has been sacked by his decades-long rival, President Salva ...
[126]
Fears of civil war in South Sudan stem from political rivalry between ...
Mar 28, 2025 · In 2013, citing a coup plot, Kiir fired Machar as his deputy, and later that year violence erupted in Juba as government soldiers loyal to ...
[127]
Timeline: South Sudan's history at a glance | Concern Worldwide
Machar was sworn in on April 26, 2016. Less than six weeks later, fighting broke out once again between government forces and soldiers loyal to Machar. Hundreds ...<|control11|><|separator|>
[128]
South Sudan's Splintered Opposition: Preventing More Conflict
Feb 25, 2022 · President Salva Kiir reached deals in January with major opposition commanders who broke away from his main rival Vice President Riek Machar.
[129]
South Sudan In Turmoil: A Nation in Crisis
Apr 23, 2025 · The political situation in South Sudan has become tense after its First Vice-President Riek Machar was arrested on accusations of encouraging the militia to ...Missing: controversies | Show results with:controversies
[130]
Dinka in Sudan - Minority Rights Group
The SPLA split in 1991, with Riek Machar (a Nuer) and Lam Akol Ajawin (a Shilluk) forming a splinter faction and taking many ethnic Nuer and Shilluk with them.
[131]
South Sudan's Newest War: When Two Old Men Divide a Nation
A political power struggle between South Sudanese president Salva Kiir and former vice president Riek Machar resulted in violent clashes between ethnic army ...
[132]
The role of the White Army in the current conflict in South Sudan
This report focuses on Nuer civilians who are fighting on the side of the SPLM/A-in-Opposition in the current civil war, popularly known as the White Army.
[133]
Conflict between Dinka and Nuer in South Sudan - Climate-Diplomacy
Following his dismissal Riek Machar threw his support behind an armed opposition of Nuer rebels and became their leader. This sparked bloodshed between the ...Missing: timeline | Show results with:timeline
[134]
South Sudan - State.gov
Jun 25, 2015 · Both SPLA and opposition forces acknowledged in January that looting, indiscriminate shooting, and targeted killings of Nuers and Dinkas ...
[135]
South Sudan clash kills 14 in renewed violence in north | Reuters
Sep 2, 2025 · The northeastern town is where violence that led to Machar's detention erupted early this year. "They (White Army) carried out three ...
[136]
Who is the White Army, the militia at the centre of renewed conflict in ...
Sep 17, 2025 · ... Nuer ethnic group by tapping into animosity between the Nuer and mostly Dinka SPLM. ... Machar directly orchestrated the violence. “We have a good ...
[137]
The untimely death of the warlord's wife - John Ryle
They both had glamour, verve, energy, generosity and a love of children; they also had a certain moral vagueness, a need to be the centre of attention, and a ...
[138]
Angelina Jany Teny | Profile - Africa Confidential
Angelina Teny the wife of Vice-President Riek Machar Teny Dhurgon as Defence Minister in March 2023 though she was later appointed Interior Minister in October.
[139]
https://news.trust.org/item/20140131162217-2vi35
[140]
Machar marries off daughter with 45 cows in customary marriage
Aug 1, 2022 · The First Vice President Dr. Riek Machar, married off his daughter, Meer to William Deng with 45 cows as dowry in a customary marriage in Juba on Sunday.
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Tensions rise in South Sudan following arrest of Riek Machar and wife
Mar 27, 2025 · Tensions are high in South Sudan following the arrest of Riek Machar, the country's First Vice President, and his wife Angelina Teny, ...<|separator|>