Harvey police, with the assistance of the Arson Squad, are investigating the cause of a house fire on South Western Highway in Wokalup on Friday morning.
Department of Fire and Emergency Services crews were called to the home at approximately 1.30am.
The blaze was extinguished but the home was totally destroyed.
The house was unoccupied at the time of the fire and police are investigating the circumstances surrounding the cause of the fire.
Investigators would like to speak to anyone who was in the area of South Western Highway, Wokalup between 12.30am and 1.30am who saw any suspicious activity, persons or vehicles in the area.
Anyone with any information is asked to call Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.
