A passenger of a vehicle that rolled over and caught on fire on Wednesday night in Sawyers Valley has passed away.
Police were called to the incident just after 11pm on Wednesday, June 12 on Great Eastern Highway, near Stonehouse Loop.
As a result of the crash Great Eastern Highway was closed for several hours.
The road is now open to traffic.
Another passenger and the driver of the vehicle were transferred to Royal Perth Hospital.
The extent of their injuries is not known.
Anyone who saw the incident or has dash-cam footage in the lead up to the crash are asked to contact Crime Stoppers on 1800 333 000 or report online at crimestoppers.wa.com.au.