Seven students were injured when two school buses collided in Shenzhen on Monday morning, Xinhua News Agency reported.

The accident happened just before 7 am when a bus from Yinhu primary school was in collision with one from Qiaoxiang elementary school. Seventy-one students and the two bus drivers were sent to hospital.

Three students injured their mouths, and four had bruising. Traffic police are investigating the incident and questioning the bus drivers.