One of the suspects in the killing of Russian spy Alexander Litvinenko tells the BBC he will disprove claims made of his involvement at a public inquiry.

Climate change could harm crop yields and the environment in China, says the country's top meteorologist, in a rare official admission.

Representatives of European far-right parties hold a forum in St Petersburg organised by a pro-Kremlin grouping, with a protest outside broken up.

A son of Viktor Yanukovych reportedly drowns in Lake Baikal in Russia - the latest in a series of deaths of people close to Ukraine's ex-president.

Lee Kuan Yew, the statesman who transformed Singapore from a port city into a wealthy global hub, dies at the age of 91.

A third attacker is still "on the run" after the deadly Bardo Museum killings, Tunisia's president says in a live TV interview.

The UN special envoy to Yemen warns that the conflict there could become "protracted" unless a peaceful solution is found.

Western powers meeting in London promise they will not accept a "bad deal" with Iran on its nuclear activity, as deadlines for agreement loom.