The Afghan president refuses to back down on his decision not to sign a key security deal in a meeting with the US national security adviser.

France has agreed to send 800 extra troops to the Central African Republic, the prime minister of the conflict-torn nation says.

Argentina reaches an agreement in principle to compensate Spain's Repsol and others for the nationalisation of energy firm YPF.

Ten former professional players sue the National Hockey League accusing it of not doing enough to protect players from concussions.

Archaeologists uncover remains of the "earliest Buddhist shrine" ever found, at Buddha's birthplace in Lumbini, Nepal.

Nine people are killed in clashes between the Libyan army and an Islamist militia in the eastern city of Benghazi, officials say.

Colombia's President, Juan Manuel Santos, announces a re-election bid but his vice-president says he will not stand for the 2014 poll.

Vote counting is taking place in Honduras, with both main presidential candidates, Juan Orlando Hernandez and Xiomara Castro, claiming victory.