Up to 10 aid agencies need to leave Sudan , U.S. source says . NGO , Medicins et Frontieres among those facing expulsion . U.N. : These agencies are main providers of life - saving humanitarian aid . The agency has 450 staff in the country , 90 percent of whom are Sudanese , it said . Move comes after warrant issued for Sudan president on war crimes charges .
Up to 10 aid agencies need to leave Sudan , U.S. source says . NGO , Medicins et Frontieres among those facing expulsion . U.N. : These agencies are main providers of life - saving humanitarian aid . Move comes after warrant issued for Sudan president on war crimes charges .