Specialist officers from the Police Arson Squad are ramping up their investigation into a suspicious fire at a business in Port Kennedy last month.
CCTV has been released of two people setting vehicles alight at the commercial premises at the intersection of Paxton Way and Fielden Way around 9.40pm on June 14.
Seven cars were destroyed, causing $200,000 worth of damage.
Police also want to speak to the drivers of a white Holden Statesman and a dark coloured Honda Accord that were seen in the area at the time of the fire.
Investigators urge the drivers of these vehicles, or anyone with any information or vision relating to this fire, to contact Crime Stoppers on 1800 333 000 or online via www.crimestopperswa.com.au.
Rewards of up to $25,000 are available for information that leads to the identification and conviction of an arsonist.
Digital drivers' licences to be introduced in WA
Mandurah FIFO worker wins $250k
2026 ANZAC Day services across the Peel and Rockingham regions
Mother of 11-year-old boy killed in Mandurah scooter crash found safe and well
Peel charity desperately seeks funds to keep doors open
Australind train service set to resume
Thunder premiership player Traye Bennell hangs up the boots
Works underway to protect 200-year-old 'Big Tree' in Greenfields
Wanted man believed to be in Mandurah area