Police are still seeking information about an arson attack on two Cloverdale businesses in October last year.
A blue sedan with four occupants pulled up outside the businesses on Belmont Avenue, smashed the front windows and set the shops alight.
The fire caused extensive damage to both businesses.
Investigators would like to speak to anyone with information about the incident.
Rewards of up to $50,000 are available for information that leads to the apprehension and conviction of an arsonist.
Anyone with information should call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.