Officers from the Gang Crime Squad with the help of the Tactical Response Group have raided a home in Baldivis.
Police stormed the home on Ravensfield Road around 6pm on Tuesday.
A WA Police spokesperson said the search warrant was part of an ongoing investigation, but would not reveal what that investigation was about.
No charges have been laid.
Mission Australia celebrates 25 years of supporting young people through Mandurah Reconnect program
Mission Australia is celebrating 25 years of its Mandurah Reconnect program which supports young people and families navigate conflict, prevent homelessness and build stronger futures across the Peel region.
'Mad Eagles fan' wins $6 million Lotto prize
A mad Eagles fan has claimed a $6 million Lotto win.
Mandurah woman loses everything in house fire
A woman has lost everything in a house fire in Mandurah.
Gift card scams surge past $1 million prompting urgent warning from Consumer Protection
More than $1 million has been lost in scams involving gift card payments this year, triggering an urgent warning from Consumer Protection
Secret Harbour by-election attracts record 16 candidates
The Secret Harbour by-election has attracted a record 16 candidates.
Major party candidates locked-in for looming Secret Harbour by-election
The major party candidates for the Secret Harbour by-election have been unveiled with the political battle ramping up ahead of polling day on August 29.
Comet Bay Primary to offer full-time kindy from 2027
Comet Bay Primary School will offer free, optional full-time kindergarten in 2027.
North Dandalup crash claims life of driver
Police are calling on witnesses to a fatal crash in North Dandalup at the weekend.
Date set for Mandurah's Town Ward Extraordinary Election
A date has been set for Mandurah's upcoming Extraordinary Election which will see the appointment of a new Town Ward councillor.