Two buildings full of Sudanese soldiers collapsed because of torrential downpours in the troubled Darfur region, killing 20 and injuring 30, said international peacekeepers.
The building collapse took place on Tuesday in El Geneina in West Darfur, the peacekeeping force UNAMID said in a statement.
A counter-insurgency campaign against non-Arab rebels in Darfur in 2003 sparked a humanitarian crisis in the western Sudan region in which more than two million people have fled their homes, according to the United Nations, Reuters reports.
Violence has ebbed from its peak in 2003-2004 but analysts say there is no end in sight to the conflict because of divisions among the reblels.
Sudanese President Omar Hassan al-Bashir is wanted by the International Criminal Court for alleged war crimes in Darfur.