Police hunt arsonist in Quinns Rocks Police are hunting an arsonist who they think torched two cars in Quinns Rocks this morning. POLICE believe a fire which damaged two cars in Perths north this morning was deliberately lit. Officers were called to the fire in Quinns Rocks at 5am this morning after one of the cars was allegedly lit at a property in Meadow Place. A trail of burnt material lead police to a nearby park which was later searched. Police have appealed for any witnesses to the incident to contact Crime Stoppers on 1800 333 000. Officers were also called to a fire in Rockingham's Kent St at 2am this morning. Upon arrival police deemed the fire was not suspicious and it was extinguished by the Department of Fire and Emergency Services.