Officer-in-charge Senior Sergeant Dave Whitnell said police officers from Bayswater and Kiara executed search warrants at homes on Winifred Road and Hill Street.
"As a result of the raid in Winifred Road, a 44-year- old woman and 20-year-old man were charged with several offences including possessing cannabis, amphetamine and smoking implements," he said.
"As a result of the raid in Hill Street, a 29-year-old man was charged with possessing cannabis and amphetamine."
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READ NOWAll three are due to face Perth Magistrate's Court on May 27.