Three students sustained head and ear injuries when a speeding truck rammed into their school bus near Brahmand Signal on Ghodbunder Road on Thursday morning. The Chitalsar police have arrested the driver and shifted the injured children to a nearby hospital.

The injured students have been identified as Arjun, Arijit and Shreya — all in the age group of 8 to 10 years. They were discharged in the evening. The bus was carrying 31 students of Universal High School, Thane, when the accident happened. The truck also hit a tempo and two Hyundai i10 cars.