The half-brother of North Korea's leader was murdered using a highly toxic nerve agent, according to a preliminary report.

It says the poison, was detected on swabs taken from Kim Jong-Nam's eye and face.

The substance is classed as a weapon of mass destruction by the United Nations.

He was attacked by two women at an airport in Kuala Lumpur in Malaysia last week.

Meanwhile, US President Donald Trump says China could resolve the issue of North Korea and the country's leader: