More than 30 people were injured Tuesday after a tourist bus rolled over on a highway in east China's Shanghai Municipality, local authorities said.

The injured is at the hospital.

The accident occurred at about 9:30 p.m. in Fengxian District when the tourists were heading for Jinshan District. All the injured were sent to the Fengxian Central Hospital. One of them was severely injured, police said.

It was raining when the accident happened. Police were investigating its cause.