LANZHOU, March 22-- Five people were killed when a taxi collided with a trailer late on Friday night in Jiuquan City, northwest China's Gansu Province, said local police on Saturday.

At about 10 p.m. Friday, a taxi overturned and caught on fire after hitting with a semi-trailer going in the same direction in Jiuquan, said the traffic police.

The driver and four passengers died at the scene.

Investigation into the accident is under way.