Sudan's army chief Abdel Fattah al-Burhan and US envoy for Africa Massad Boulos met in Switzerland to discuss a US peace plan aimed at ending the civil war in Sudan, two Sudanese government sources confirmed on Tuesday. +Get the most important news from Switzerland in your inbox Burhan and Boulos held a three-hour meeting on Monday "during which they discussed a proposal submitted by the United States for a comprehensive ceasefire in Sudan and the delivery of humanitarian aid", a senior government source said. The conflict that broke out in April 2023 in Sudan between the army and the paramilitary Rapid Support Forces (RSF) has claimed tens of thousands of lives, displaced millions of people or caused them to flee abroad, and led to what the UN describes as "the world's worst humanitarian crisis". Previous mediation efforts led by the US and Saudi Arabia have not resulted in a ceasefire. Monday's meeting is the highest-level meeting in months, while Washington appears to be ...