The gas cylinder fitted in a car exploded when the vehicle collided with a truck killing three people and injuring another near Panu Interchange on Expressway in Mansehra, reported 24NewsHD TV channel on Friday.
As a result of the fatal smash between the car and the truck, the car suddenly burst into flames due to gas cylinder fitted in it. Three people sitting in the car died on the spot while another sustained injuries.
Mansehra medical team provided first aid to the injured and later shifted him to the King Abdullah Hospital.
Reporter Muhammad Faisal