The leaders of Sudan's army and paramilitary group the Rapid Support forces observed a temporary ceasefire after two days of fighting

The four-hour "humanitarian" window on Sunday was for the wounded to be evacuated after clashes were reported across the vast African country.

The World Food Programme temporarily halts humanitarian work in Sudan after three staff were killed.

The deaths happened during violence in Kabkabiya in North Darfur and two other workers were injured.

Sudan's doctors' union said at least 57 people have been killed as result of the fighting which broke out on Saturday.

The RSF says it controls key sites in the capital but Sudan's leader - and head of the military - has rejected its claim.

The African Union, leading Arab states and the US have called for an end to the fighting and a resumption of talks aimed at restoring a civilian government. (BBC)