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South Sudan is facing a perilous escalation of violence that threatens to plunge the nation back into civil war. Recent clashes between government forces loyal to President Salva Kiir and opposition factions tied to former Vice-President Riek Machar have resulted in at least 169 fatalities in a brutal raid near the Sudanese border. Observers are increasingly alarmed by the deteriorating situation, which could undo years of fragile peace.
Escalating Violence and Humanitarian Crisis
The latest outbreak of violence occurred on Sunday when armed youths from Mayom county launched an assault on a village in the neighbouring Abiemnom county. The attack has left a tragic toll, including women, children, and members of security forces, as reported by James Monyluak Majok, the information minister for Ruweng’s administrative area.
In the wake of this violence, the United Nations Mission in South Sudan (UNMISS) has stepped in to provide shelter for over 1,000 civilians at its base, offering medical assistance to those injured. Reports indicate that around 23 individuals sustained wounds during the attack. The chief administrator of Ruweng, Stephano Wieu de Mialek, attributed the raid to the White Army, a militia historically allied with Machar, alongside elements from Machar’s political faction, the Sudan People’s Liberation Movement-in-Opposition (SPLM-IO).
However, the SPLM-IO has fiercely denied any involvement in the raid, asserting that it has no military presence in the affected area.
Humanitarian Efforts Hampered
In a further blow to the humanitarian situation, Doctors Without Borders (MSF) announced that 26 of its personnel remain unaccounted for following the recent surge in violence across Jonglei state. This region has witnessed intense fighting between government and opposition forces since December 2025, severely disrupting healthcare services. MSF detailed that its hospital in Lankien was struck by an airstrike, subsequently looted and burned, while another facility in Pieri also faced similar fates. The organisation has suspended medical operations in these areas due to escalating insecurity, stating, “We have lost contact with them amid ongoing insecurity.”
Political Tensions and the Threat of Civil War
The backdrop to this violence is rooted in the fraught political landscape of South Sudan. Following a devastating civil war that erupted in 2013 after Kiir dismissed Machar, the country has struggled to maintain peace. A peace agreement was signed in 2018, which saw a unity government formed, returning Machar to the vice-presidency. Yet, the implementation of this agreement has been stymied by ongoing power struggles between the two factions.
Machar’s recent indictment on charges including murder and treason, linked to an attack by the White Army on a government garrison, has further exacerbated tensions. His supporters argue that the charges are politically motivated, and analysts warn that his prosecution could derail the fragile peace altogether.
This increase in hostilities has not only involved Machar’s loyalists but has also drawn in splinter groups that previously distanced themselves from him, now rallying around him as a unifying figure. Daniel Akech, a senior analyst at the International Crisis Group, noted that despite Machar’s detention, he remains an effective symbol of opposition.
Urgent Calls for Action
In light of the escalating violence and widespread displacement—estimated at 280,000 individuals in recent months—the UN’s high commissioner for human rights, Volker Türk, has called for immediate measures to uphold the peace agreement. He emphasised the critical juncture South Sudan finds itself at, where increasing violence intertwines with political uncertainty, putting the nation at risk of descending into all-out civil war once again.
Why it Matters
The current turmoil in South Sudan is not merely a regional concern; it resonates globally, highlighting the fragility of peace in post-conflict nations. The renewed conflict could lead to a humanitarian catastrophe, exacerbating the plight of millions already affected by years of war. As international observers and organisations grapple with the ramifications, the need for a concerted effort to stabilise the situation and support peace initiatives has never been more urgent. Failure to do so could see South Sudan’s hard-won gains unravel, plunging the country and its people once more into despair.