A Class XII student died while two others were injured in two separate road accidents reported in Dehradun on Monday. In Patelnagar area, a 17 -year- old student died after the two-wheeler he was riding was hit by a truck on Shimla Bypass. ISBT police rushed to the spot upon being informed by the local residents. The seriously injured person was admitted at Mahant Indiresh Hospital where he succumbed. The truck driver escaped from the spot after the accident occurred. Police however impounded the truck. The deceased has been identified as Rohit Semwal, resident of Banjarawala, a Class XII student of a private school. A police team has been formed to nab the truck driver. In another incident, two pedestrians were injured after they were hit by a car at Harbhajwala. The injured persons were rushed to Mahant Indiresh Hospital. The injured have been identified as Deeraj and Manmohan, both residents of GMS Road, Dehradun. Both are working in a Dehradun- based private company. Police seized the car and family members of the injured were informed.