Footage of a deadly bus crash in China has been released.
It points towards the cause of the crash being an angry passenger hitting a bus driver after he failed to halt the bus at her stop.
Footage shows the women attacking the driver with her phone, causing him to lose control of the vehicle.
Thirteen people were killed in the incident.
The footage was salvaged from the black box on the bus and showed the driver and furious passenger exchanging blows.