The authorities say the high amount is needed to ensure only credible candidates take part.
Issa Tchiroma Bakary says he won the election and is not concerned about being arrested or put in jail.
A selection of the week's best photos from across the African continent and beyond.
A selection of the week's best photos from across the African continent and beyond.
A selection of the week's best photos from across the African continent and beyond.
She was married to Ghana's longest-serving leader Jerry John Rawlings and known for her women's rights work.
She was married to Ghana's longest-serving leader Jerry John Rawlings and known for her women's rights work.
Women's marathon world record holder Ruth Chepngetich is banned for three years after the Kenyan admits to anti-doping rule violations.
Women's marathon world record holder Ruth Chepngetich is banned for three years after the Kenyan admits to anti-doping rule violations.
Nnamdi Kanu is on trial for terrorism and incitement to violence as head of the separatist group, Ipob.