Police are investigating a deliberately lit fire at a business in Rockingham.
A triple-0 call was made around 10.20am on Monday with reports a truck was on fire inside a building on Cort Way.
It took firefighters half an hour to extinguish the blaze.
The damage bill has been put at $10,000.
Anyone with information should contact Crime Stoppers on 1800 333 000.
Local sports stars honoured at 2025 Mandurah Sports Awards
Man charged over Mandurah daycare blaze
Mandurah Detectives charge man with 160 offences over NDIS fraud
Mandurah couple claim $50 million Lotto win
Police question person after Mandurah daycare centre goes up in flames
Boundary Island Brewery takes out 2025 Peel Business of the Year Award
Demolition begins at old Kwinana Power Station
Drugs, cash, firearm seized in South West ahead of Leavers
Motorcyclist critically injured in Ravenswood crash