At least 20 children were injured after a school van skidded off road and plunged into gorge here in Hafizabad on Monday. According to police a school van with at least 50 children on board fell into a ravine near Kohlu Tarar area of Hafizabad district. As result of accident 20 children were injured. Rescue team soon reached at the mishap site and kick-started relief activities. The injured children were shifted to nearby hospital where according to hospital sources condition of all injured children was stable. Eyed witnesses said that the accident took place due to poor condition of the road and careless driving.