Violence in the Ugandan capital Kampala killed at least three people security forces clashed with rioters.
U.N. officials accused the Ugandan rebel Lord's Resistance Army of mounting a growing number of attacks in Sudan.
The death toll in a shipwreck in Sierra Leone could rise from the 80 victims reported earlier.
A Sudanese woman jailed for wearing trousers deemed indecent in a landmark court case was freed on Tuesday.
Gabon's opposition called for a recount of a disputed poll that brought the son of long-time leader Omar Bongo to power.
Calm has returned after riots following the announcement that Ali Ben Bongo had won a presidential election.
Gabonese authorities imposed a curfew on Gabonese oil hub Port Gentil late on Thursday.
Security forces clashed with opposition supporters after Ali Ben Bongo was declared the winner of the presidential election.
Soldiers clashed with opposition supporters after Ali Ben Bongo was declared the winner of a disputed poll.
Hundreds of opposition supporters occupied a square in Gabon's capital to await the outcome of a presidential election.