A 49-year-old man has died in a suspected stabbing incident in Baldivis.
Police were called to the property on Bramall Terrace around 6.40pm on Tuesday following reports of a "serious incident".
The victim suffered critical injuries and was rushed to Rockingham Hospital where he later died.
A 45-year-old woman is assisting Homicide Squad detectives with their investigation.
Police say the pair are known to each other.
Inquiries are ongoing and anyone with information or vision that can assist detectives are urged to contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.
Reports to Crime Stoppers can be made anonymously
Albanese announces $1.1 billion in road upgrades for Kwinana's Westport development
Drivers escape injury after head-on crash south of Perth
Whale carcass attracts sharks close to shore off Dawesville
Digital drivers' licences to be introduced in WA
Mandurah FIFO worker wins $250k
2026 ANZAC Day services across the Peel and Rockingham regions
Mother of 11-year-old boy killed in Mandurah scooter crash found safe and well
Peel charity desperately seeks funds to keep doors open
Australind train service set to resume