Arson Squad officers are investigating a suspicious fire that extensively damaged a home in Wanneroo overnight.
About 8:45pm last night, July 22, Police and Department of Fire and Emergency Services were called to the home on Nannatee Way.
The fire destroyed one room with the rest of the house affected by substantial smoke damage.
Anyone who saw any suspicious activity, persons or vehicles or who has any dash cam footage is asked to come forward.
Rewards of up to $50,000 are available for information that leads to the apprehension and subsequent conviction of an arsonist.
Call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.