The hospital had served as the last refuge for many starving or injured civilians in El Fasher, a major battleground in Darfur recently seized by the Rapid Support Forces.

Author Wole Soyinka, a vocal critic of President Trump, told the Nigerian press he did not attend a visa renewal interview requested by the State Department.

The East African country’s Party of Revolution, one of the longest-ruling parties on the continent, seeks to keep its grip on power.