JOONDALUP Detectives are investigating two car fires that occurred in Hocking on Saturday morning.
Between 3.30am and 4am on April 6, someone set fire to a Mitsubishi Lancer sedan parked in the driveway of a home on Kostas Street, as well as a Subaru Impreza parked on the road in front of the home.
Department of Fire and Emergency Services attended and extinguished the fires, but both vehicles were extensively damaged.
Detectives urged anyone who saw any suspicious activity, persons or vehicles or who has any dashcam footage to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.
Rewards of up to $50,000 are available for information that leads to the apprehension and subsequent conviction of an arsonist.