The world's first vaccine against malaria will be introduced in three countries - Ghana, Kenya and Malawi - starting in 2018.
At least 19 children have been killed in a minibus crash near the South African capital, Pretoria, emergency services and officials say.
Two of Zimbabwe's best known opposition figures have agreed to form an alliance against President Robert Mugabe.
Ethiopia's state-affiliated Human Rights Commission says 669 people died, including 63 policemen, in the wave of anti-government protests that began in November 2015.
Theresa May has said she wants to hold a snap general election on 8 June, despite repeatedly claiming that she was against the idea of an early vote.
Thousands of migrants have been saved from the sea near Libya during one of the busiest weekends of the year for rescue workers.
Zambia's main opposition leader Hakainde Hichilema has been charged with treason after allegedly obstructing the presidential motorcade.
Zambia's opposition leader Hakainde Hichilema has been detained on suspicion of treason, his lawyer says.
South African President Jacob Zuma has branded protesters calling for his resignation "racists", saying they held placards that were derogatory about black people.
Egypt's President Abdul Fattah al-Sisi has announced a three-month state of emergency after attacks on two Coptic churches that left at least 44 dead.