NINGBO - One person was killed and another 20 people were injured Monday afternoon after a bus-truck collision in Ningbo City, in East China's Zhejiang Province, the local government said.

At 4:36 p.m., a truck collided with a commuter bus in Zhenhai district of Ningbo, according to the district government. The bus was owned by a local firm.

The 20 injured people, who were all aboard the bus, were sent to hospital. Three of them were in a serious condition.

The cause of the accident is under investigation.