Four people were killed after a passenger van collided with a truck on a national highway in Indonesia's South Sumatra province, police told local media on Monday.

The crash occurred on Sunday afternoon when the passenger van carrying 11 passengers veered into the opposite lane and struck an oncoming truck, according to local traffic police.

Police said the four victims died at the scene, while the bodies were taken to a nearby hospital pending collection by their families.

Authorities said the cause of the accident remains under investigation.

xinhua