The Drug and Firearm Squad have descended on a home in Meadow Springs.
Police first arrived at the property on Canterbury Terrace around 2pm on Thursday to conduct a search warrant and remained at the scene for over 17 hours, leaving just before 7.30am on Friday.
Neighbours have told 7News that a woman was arrested at the home and a family with young children live at the address.
Police say inquiries are ongoing and there is no risk to public safety.
Cooloongup man accused of historical child sex offences dies just weeks before trial
A Cooloongup man accused of dozens of historical child sex offences has died just weeks before he was due to stand trial.
Boat owners urged to make safety a priority this Easter
Boat owners are being urged to make safety their priority this Easter and carry the required and recommended safety equipment including their Recreational Skipper’s Ticket (RST).
Mundijong man accused of attempting to procure children overseas for sexual activity
A Mundijong man is behind bars after allegedly attempting to procure children from the Philippines for sexual activity.
PM Anthony Albanese to address nation
Prime Minister Anthony Albanese will make a special address to the nation later today.
Mandurah teacher who raped student to remain on bail
A Mandurah teacher who raped a student and gave birth to his child will remain on bail for several months in order to undergo a psychiatric assessment.
Man charged after allegedly exposing himself to girl on Transperth bus in Lakelands
Child Abuse Squad detectives have charged a 31-year-old man over an alleged disturbing incident onboard a Transperth bus in Lakelands.
Fire rips through Golden Bay home
A fire has torn through a home in Golden Bay.
Firefighters battle bushfire near Nambeelup
Firefighters have spent the night battling a bushfire near Nambeelup.
Alcoa Children's Festival cancelled due to severe weather
The annual Alcoa Children's Festival scheduled for Saturday, March 28 has been cancelled due to extreme weather.