A South American tennis player tells the BBC match-fixing in the sport is commonplace and a "secret everybody knows".

A journalist with the BBC's Persian Service is stopped from travelling to the US after falling foul of changes to US visa rules.

Kurdish forces in northern Iraq have demolished thousands of homes in a concerted effort to remove Arab communities, Amnesty International says.

As the World Economic Forum starts in Davos, a survey suggests global chief executives are more pessimistic about growth than this time last year.

Having an irregular heartbeat poses a greater health risk to women than men, research suggests.

The US Coast Guard is halting its search for 12 marines missing since two helicopters crashed near the Hawaiian island of Oahu.

Detained Swedish rights activist Peter Dahlin appears on Chinese state TV apparently confessing to breaking the law through his group's activities.

Security forces in north-west Pakistan are battling militants inside a university in the town of Charsadda, with reports of deaths.