South Africa appoints special envoys for Zimbabwe crisis

South Africa's President Cyril Ramaphosa has appointed two special envoys to neighbouring Zimbabwe where a crisis is spiralling over alleged government corruption and economic mismanagement.

Ivory Coast's President Alassane Ouattara has said he will run for a third term in October's general elections.

As part of our series on Africa’s greatest Olympians, we hear from South Sudanese athlete Yiech Pur Biel who fled his country as a child and competed in the 800 metres during the 2016 Olympics in Rio.

(Photo: An anti-corruption protest was held in July in Zimbabwe’s capital Harare. Credit: Getty Images)