President Mohammed Morsi says "all options are open" to deal with any threat to Egypt's water supply posed by an Ethiopian dam on the Blue Nile.
The Cameroon Football Federation delays its elections once more and is now proposing to hold them on 19 June.
Ghana's police arrest 51 Nigeriens and at least four other West Africans suspected of illegal gold mining, an immigration spokesman tells the BBC.
Roger Palmgren quits as Namibia coach after threats were made towards him and his family.
South Sudan accuses Sudanese troops of crossing into its territory, amid a threat to once more halt oil flows.
South Africa's former President Nelson Mandela remains in a "serious but stable" condition in a Pretoria hospital, the latest update says.
More children miss school in Nigeria than in any other country and numbers are rising, a UN report says,
The tragic life of the father of South African modern art
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