President Barack Obama urges the US Senate to consider a replacement on the Supreme Court for Justice Antonin Scalia, as a constitutional crisis looms.

The Canadian government confirms the number of missing or murdered indigenous women in the country may be as high as 4,000, above previous estimates.

A critical vulnerability has been discovered in some widely-used code. Device makers are being urged to act immediately to protect users.

Republican frontrunner Donald Trump will not be president because it's a serious job, President Barack Obama has said.

Pope Francis urges young Mexicans to reject a life of crime and "dare to dream" as he visits Michoacan - a state hit hard by drug violence.

The UN says aid convoys are due to be sent to besieged areas in Syria to test the resolve of warring parties to allow in vital supplies.

Satellite images suggest China has deployed surface-to-air missiles on a disputed island in the South China Sea, but Beijing says it is an invention of the media.

Apple is ordered to help FBI investigators access data on the phone of San Bernardino gunman Syed Rizwan Farook.