Dash cam vision of a man falling out of the back of a moving police car in Perth has been posted to social media.
The incident is believed to have happened at the intersection of Charles Street and Newcastle Street on Sunday.
The vision shows the handcuffed man tumbling out of the marked police wagon when it takes off from the traffic lights.
Police Minister Michelle Roberts said the footage is "disturbing" and police will need to investigate.
VIDEO: Dash Cam Owners Australia/Facebook