A young man was killed and another critically injured in a devastating car rollover south-east of Perth on Saturday.
The pair, aged 20 and 21, were travelling in a green Toyota LandCruiser north on Soldiers Road in Byford when police believe the car rolled near the Turner Road intersection about 4am.
The men were ejected from the vehicle as it rolled, killing the 20-year-old and leaving the other fighting for his life.
St John Ambulance paramedics took the survivor to Royal Perth Hospital.
He remained there throughout the day in a critical condition in the intensive care unit.
Officers from the Major Crash Investigation Unit are investigating the crash and seeking information from the public.
Anyone with information regarding the crash, who saw a green Toyota LandCruiser being driven in or near Byford prior to 4am, or who has relevant dash-cam or mobile phone vision is asked to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.
Any vision can be directly given to police here: https://wapf.au.evidence.com/axon/citizen/public/fatalcrashsoldiersroadbyford.