New Zealand's prime minister reveals plans to turn an area of the South Pacific ocean about the size of France into a marine reserve.

US President Barack Obama chairs a gathering of world leaders on counter-terrorism, as the US seeks support for the fight against Islamic State

Hundreds of inmates escape from a prison in the Central African Republic as a wave of violence leaves dozens dead.

A 40-minute outage on Facebook was the second time in a week the popular site went down, and was followed by a shares tumble.

The Cuban president tells the UN that normal relations with the US will only be possible if it lifts its trade embargo and takes other measures.

Russia has not ruled out conducting air strikes against Islamic State targets, President Vladimir Putin says after meeting his US counterpart in New York.

Canadian party leaders clash over the fight against Islamic State (IS) militants in the election campaign's fourth TV debate in Toronto.

Ousted Australian Prime Minister Tony Abbott says he is confident he would have led his Liberal party to victory if not replaced by Malcolm Turnbull.