Africa

Western aid workers were among those who came under attack by soldiers in South Sudan and activists say United Nations peacekeepers failed to respond.

In Boko Haram's reported video, the camera pans across about 50 veiled females. They appear to be some of the missing Chibok schoolgirls kidnapped en masse by the extremist group two years ago.

The two new polio cases in Nigeria are the first detected on the African continent in more than two years.

Children are among the hardest hit by seven years of Boko Haram's violent insurgency in northeastern Nigeria. Doctors Without Borders warns acutely malnourished children risk starvation and even death. Tens of thousands of people are seeking shelter, food and medical aid, uprooted from their homes by the militants the Nigerian military claims they have defeated.

A competitor in Rio grew up poor in the islands, leaving home to live on the streets when he was 8. There's not even a running track there. Now he's competing in the 400-meter hurdles.

Amnesty International says 97 were killed when soldiers shot peaceful protesters in different parts of the country. Protesters have various grievances, but all share frustration with the government.