Pinjarra Police are investigating a suspicious car fire in Barragup.
Firefighters were called to the scene on Fiegert Road about 9.30pm on Sunday with reports a white Nissan X-Trail was on fire.
It took crews just under an hour to extinguish the blaze which completely engulfed the vehicle.
Police say the owner of the X-Trail left it parked on the side of the road after it broke down around 7pm.
Police would like to speak to anyone who saw anything suspicious in the vicinity of the white Nissan X-Trail on Fiegert Road between 7:00pm and 9:30pm.
Anyone with information is asked to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.
Rewards of up to $50,000 are available for information that leads to the identification and conviction of an arsonist.
Police issue 31,000 driving infringements in first month of new AI cameras
Works underway on Rockingham and Safety Bay High School redevelopments
New measles exposure sites revealed in Bunbury
Dawesville man charged after allegedly leaving his elderly Great Dane to suffer painful conditions
Good Samaritan sought by police after helping teen during robbery in Baldivis
Under-16s social media ban now in force
Desperate search continues for missing Bunbury FIFO worker
Passengers now able to use credit, debit cards to tag on and off WA's public transport
New floating jetty speeds up emergency response times for Marine Rescue Mandurah