World and regional powers have agreed to try and turn a fragile truce in Syria into a comprehensive ceasefire.

A draft European Union plan to send back some migrants to Turkey has legal and moral flaws and could put vulnerable people at risk, the head of Amnesty International said, calling on Europe to take in more people seeking refuge instead.

A rare form of plague has killed at least 61 people around a diamond mine in the remote wilds of north-east Congo.

Chechen rebels have claimed responsibility for the downing of a Russian military helicopter.