Four members of the same family were killed when a trailer rammed into the van they were sitting in on motorway at Hafizabad, police said on Thursday.

According to Rescue 1122 officials, the driver was changing tyre of the van when trailer crashed into it from behind.   

Those who were killed belonged to Sharaqpur Sharif near Sheikhupura, they informed.

The accident took place after driver of the trailer dozed off, they disclosed. 

Police said the bodies had been shifted to hospital.