A student died and at least 20 others were injured in a collision between school bus and a truck late last night under Barun police station limits in Aurangabad district. The incident took place while the students were returning from an educational trip from Rajgir. Pradeep Kumar, Sub-Divisional Officer (SDO), said, "One child has died. Those who were admitted here have been given first aid and the ones who were critical have been referred to Jamui. A team of doctors is looking after all of them."