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
Scorching Christmas temperatures for Perth, Rockingham, Mandurah
Teen charged over Baldivis arson attack
Concerns for missing boy last seen in Warnbro
Baldivis Sports Complex officially complete with unveiling of final stage
Teen dies at Logue Brook Dam
Mandurah named WA’s Most Accessible Community
Police attend separate crashes in Lakelands and Port Kennedy
Fresh new look for Roger May Machinery Museum
Tragic end to search of missing FIFO worker