Muzaffarnagar, In a tragic incident, a tractor trolley collided with a truck near Vehalna bypass in Kotwali police station area of the district in which 30-year-old man was killed and 20 people were injured. Kotwali police station SHO Chaman Singh said, "the accident took place last evening when the victims were returning from a religious event". The deceased was identified as Arjun. The SHO added that the injured were shifted to a hospital.