A home in Falcon has suffered significant damage after a fire broke out overnight.
Just after 10pm, police were called to an address on Andante Street where a house was on fire.
Neighbours say they could see flames coming from the windows.
The house is believed to be vacant, but its possible people could have been squatting there.
The fire has caused an estimated $200,000 damage.
Police are investigating.

Picture: Tex Reeks/Skeer Media
Police issue 31,000 driving infringements in first month of new AI cameras
Works underway on Rockingham and Safety Bay High School redevelopments
New measles exposure sites revealed in Bunbury
Dawesville man charged after allegedly leaving his elderly Great Dane to suffer painful conditions
Good Samaritan sought by police after helping teen during robbery in Baldivis
Under-16s social media ban now in force
Desperate search continues for missing Bunbury FIFO worker
Passengers now able to use credit, debit cards to tag on and off WA's public transport
New floating jetty speeds up emergency response times for Marine Rescue Mandurah