KUALA KUBU BHARU (THE STAR/ASIA NEWS NETWORK) - Six people in a multi-purpose vehicle (MPV) were killed after a trailer that skidded smashed into the car on the North South Expressway near the Tanjung Malim exit on Sunday (April 2).

The driver of the north-bound trailer, laden with earth, was believed to have been unable to control the vehicle which skidded and crashed into the MPV which was heading in the same direction.

"All the six died at the scene in the 7.40am incident. Police are still trying to establish if the victims are related," Hulu Selangor police chief R. Supramaniam told Bernama.

The dead were identified as Lam Leong Choy, 76, Low Wai Loon, 46, Lam Jie Yang, 19, Wong Check Lee, 53, Lam Jie Hong, 13, and Lam Wai Keat, 38.

Mr Supramaniam said all the bodies were brought to the Kuala Kubu Bharu Hospital.

He said the trailer driver was not injured and had been taken to the Hulu Selangor police station for urine and blood tests.

The case has been classified as reckless driving resulting in deaths.

Selangor Fire and Rescue assistant director of operations Mohd Sani Harul said they were alerted about the accident at 7.42am and a team of six from the Kuala Kubu Bharu fire station were sent to the scene.

"They took an hour and 15 minutes to extricate the victims from the MPV," he said.