THE United Nations warned on Monday that 800,000 people may flee Sudan as rival military factions battled in the capital despite a supposed ceasefire and foreign states wound down evacuations. Hundreds of people have been killed and thousands wounded over 16 days of battles since disputes between the Sudanese army and the paramilitary Rapid Support Forces (RSF) erupted into conflict on April 15. There seems little prospect of a quick resolution to the crisis, which has unleashed a humanitarian disaster, damaged swathes of Khartoum, risked drawing in regional powers, and reignited conflict in the Darfur region. Both sides agreed on Sunday to extend a much-violated truce…