Rising political tensions in South Sudan threaten to drag the country into a new civil war, but even if rival factions can safeguard a 2018 peace deal, more fighting is set to occur in the northeastern Upper Nile state, which will likely draw in growing involvement from Sudan's warring parties. On March 18, the party of South Sudan's First Vice President Riek Machar, SPLM-IO, announced it was halting its participation in key provisions of a 2018 peace deal, including joint security and ceasefire monitoring committees, until authorities released allies of Machar who are currently being detained. The announcement comes amid rapidly surging tensions between Machar and South Sudanese President Salva Kiir, who in early March ordered the arrest of pro-Machar figures after the White Army, a militia drawing support from Machar's Nuer ethnic group, captured the town of Nasir in Upper Nile state on March 4. Amid growing concerns about...
