One of Brazil's richest businessmen and a senior politician are arrested as part of the corruption probe into the state oil giant Petrobras.

Pope Francis celebrates Mass with many thousands of people in Kenya's capital, Nairobi, on his first visit as pontiff to Africa.

The EU will give fresh impetus next month to Turkey's bid to join the 28-nation bloc by opening talks on economic policy, Turkey says.

Huge pillow fights among US cadets to mark the end of summer training at the prestigious West Point military academy are to be banned.

The BBC speaks to Sonita Alizadeh, who started rapping after she was nearly sold as a bride by her family.

A South Africa court lifts a ban on the domestic trade in rhino horns which was imposed by the government in 2009 to stem poaching.

At least 10 oil workers are killed in a helicopter crash in the Krasnoyarsk region of Siberia, Russian officials say.

Russia is preparing wide-ranging economic sanctions against Turkey after the downing of one of its jets, Prime Minister Dmitry Medvedev says.