This story has been updated to include expert comments

North Korea’s ambassador to Malaysia on Friday said the DPRK government would reject the results of any autopsy on Kim Jong Nam, the half-brother of North Korean leader Kim Jong Un, while also accusing the Malaysian government of working with the North’s enemies.

In his first statement to the media since Kim Jong Nam was murdered in Kuala Lumpur airport on Monday, Ambassador Kang Chol said the Malaysian government had told their North Korean counterparts that Kim had died of a heart attack.

“We will categorically reject the result of the postmortem