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
Concerns for missing man last seen in Medina
Man charged after slashing victim's neck with glass in Madora Bay
Rockingham disability accommodation and social housing refurbished thanks to State Government grant
Local fishers asked to have their say on extending crabbing season closure, simplifying bag and boat limit rules
Detectives hunt driver who reversed into Mandurah tobacco store
Mandurah Crab Fest boasts huge range of free, family friendly entertainment
Fuel prices surge in Perth, Mandurah
Teen boys charged over Mandurah burglaries
Tragic update in search for missing man Robert Snyder