Lahore | Thirteen members of a family, including women and children, were killed and nine others sustained injuries in a road accident in Pakistan's Punjab province, authorities said on Monday.

The accident took place on Sunday in Muzaffarghar district, some 350 km from Lahore, when a passenger van collided with a truck.

According to emergency service Rescue 1122, the accident was so fatal that several people died on the spot.

The rescue team and locals shifted the injured to hospital where doctors pronounced 11 of them dead on arrival, while two later succumbed to their wounds, it said.

The 13 people killed were members of the same family. The dead include four women and three children, officials said, adding that they were travelling to Multan to visit their relatives.

Of the nine injured, three are in critical condition, they said.

Police have arrested the truck driver and registered a case against him. The driver said he lost control over his vehicle due to over speeding and collided with the passenger van.