About 5:10am, a white Holden Colorado utility left the road and crashed into the rear-wall of a home on Orrong Road (near Roberts Road).
A 34-year-old male and two 22-year-old males who were all passengers in the vehicle, received critical injuries and died at the scene.
Two other male passengers aged 23 years and 19 years received serious injuries and were conveyed to Royal Perth Hospital by SJA WA.
The 22-year-old male driver received minor injuries and is undergoing medical treatment. He remains in police custody and is assisting with inquiries.
The home was unoccupied at the time of the crash.
Dash-cam or mobile phone vision relating to this crash can be uploaded directly to investigators via this link:
Anyone with information regarding this crash, or who saw the vehicle involved being driven in the time leading up to the crash, is asked to call Crime Stoppers on 1800 333 000 or report the information online at
If you or anyone you know has been affected by a road crash, contact Road Trauma Support WA on 1300 004 814.
