The Kenyan took the lead with about two miles to go and never looked back. All three Americans finished in the top 10, but they failed to make the medal podium.
The United Nations is planning to send 4,000 more peacekeeping troops to South Sudan. NPR's Scott Simon talks to journalist Nichola Mandil about why the government is objecting to more peacekeepers.
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.
Health officials thought they were close to wiping out the parasite. It's been President Carter's dream for decades. But the dogs of Chad have turned out to be a major problem.
The Islamic State apparently is having some management troubles. ISIS has announced a new leader for its West African affiliate Boko Haram. But the man being replaced isn't going quietly.
In Ethiopia, activists and witnesses say nearly 100 people were killed by security forces cracking down on anti-government protests over the weekend. The protests began late last year over a government plan to lease a forest to private foreign developers. Ethiopia's authoritarian government is a key U.S. ally in East Africa.
The African National Congress has lost key races in municipal elections following a series of corruption scandals. It has governed South Africa since the country's first post-apartheid vote in 1994.