Ammon Bundy, the leader of an armed siege at a wildlife refuge in Oregon who was arrested on Tuesday, urges the remaining occupiers to go home.

Social media giant Facebook said it more than doubled profits in the fourth quarter of 2015 to $1.56bn.

The armed occupiers of a wildlife reserve in Oregon were given the chance to avoid the violence that left one of them dead, say police.

Samsung Electronics has been hit by falling sales for its smartphones as cheaper competitors erode market share.

Japan's Economy Minister Akira Amari says he is resigning after being linked to corruption allegations, but denies any personal wrongdoing.

Republican 2016 presidential candidates are due to take to the debate stage with Donald Trump notably absent, days before their first electoral test in Iowa.

Strains of the HIV virus are becoming resistant to an antiretroviral drug commonly used to prevent and fight it, research suggests.

Sudan's President Omar al-Bashir orders the opening of his country's border with South Sudan for the first time since the latter seceded in 2011.