The Court of Arbitration for Sport is hearing a challenge by South African runner - Caster Semenya, to plans that would force some female runners to lower their testosterone levels.
Nigerian Election: President Muhammadu Buhari threatens to deal with vote riggers.
Who is going to win the Nigerian presidential election?
Our Resident Presidents have their say on the 2019 presidential elections.
Nigeria's elections campaigning draws to an end
Incumbent President Muhammadu Buhari from the ruling APC party and the opposition leader Atiku Abubakar from the PDP, have reached out to their supporters using social media. Both their speeches focused on encouraging the 84 million Nigerians who have already registered to vote, to actually turn up on Saturday and make their choice heard.
Cameroon opposition politician charged with rebellion and insurrection
Mr Kamto who disputed the outcome of last year's presidential election is facing trial in a military court.
Should it matter what religion you practice, when contesting elections in Nigeria?
Missing Kenyan human rights activist found dead
Kenyan activist Caroline Mwatha has been found dead after being missing for a week; Oil giant Shell hears accusations of being complicit in the executions of Ogoni activists; And priceless African art displayed in European museums could be making its way back to the continent.