A bus ran over the top of a police car in Beijing at 1:43 pm on Friday, there are no confirmed reports of any casualties so far.

Four groups of firefighters and 12 fire engines have been dispatched to the scene.

Eyewitnesses said it seemed liked the bus mistakenly hit the accelerator rather than the brake. "People said there were 3 police officers inside, I can't see how anyone survived that."

The reports of police officers inside the car at the time of the collision have been reported widely on Sina Weibo, but not confirmed.