In a heart wrenching road accident, 13 people were burnt alive and 17 others suffered injuries in a head-on collision between a bus and a van in Pakistan's Punjab province on Monday. The accident took place on Kalakhatai Road Narang Mandi, some 75 km from here. According to rescue officials, the van collided with the bus head-on, apparently due to poor visibility owing to fog. 'The van completely burnt after the collision. Rescue officials reached the spot and shifted the injured to hospitals,' a rescue spokesperson said, adding that 13 passengers died of burns while the condition of some of the 17 injured is stated to be critical. The gas cylinder of the van exploded when hit collided with the bus and caught fire. Punjab Chief Minister Usman Bazdar expressed sorrow over the loss of lives and directed officials to provide best medical facilities to the injured. Five-year-old boy crushed to death in lift accident in Dharavi area of Mumbai Tragic bus accident on Yamuna Expressway, 4 people died Tragic road accident: Car collides with trailer in Assam, 6 people died