Four members of Colombia's security forces have been freed after spending 12 years as hostages of the Farc guerrilla group.

Kyrgyzstan's interim government has said it has arrested a "well-known person" on suspicion of fomenting the worst ethnic riots in years.

After a four-billion-mile journey over seven years, a Japanese space probe has returned to Earth carrying a sample of asteroid dust.

Armed riot police in South Africa have charged into hundreds of security stewards at a World Cup stadium to break up a protest over wages.

At least five people have died and dozens have been injured in a stampede at a rally in the Kenyan capital, Nairobi.

Israel has announced an internal inquiry into the controversial raid last month on a convoy of aid ships bound for Gaza.