About 3.10pm, emergency services were called to a residence on Burville Street in relation to an unresponsive woman.
A 69-year-old woman was located deceased inside the residence. A 50-year-old man, who police believe was known to the woman, was located inside the residence with life-threatening injuries. He was conveyed to Royal Perth Hospital but has since died.
Inquiries remain ongoing into the circumstances surrounding the pair's death; however, police wish to reassure the community, there is currently no information to suggest there is an ongoing risk to the community.
As inquiries continue, investigators urge anyone with any information or footage in relation to this incident to contact Crime Stoppers online via www.crimestopperswa.com.au or by calling 1800 333 000.
CCTV, dash-cam or mobile phone footage can be uploaded directly to investigators via this link: https://wapf.au.evidence.com/axon/community-request/public/opyarl
Quotes attributable to Detective Senior Sergeant Stephen CLEAL, Homicide Squad.
"This is an unimaginable loss for the victims' loved ones, and our detectives are determined to uncover every fact and hold whoever is responsible to account. Someone in the community knows something, and we are asking them to come forward.
"Any piece of information, big or small - no matter how insignificant you think it is - could lead us to the answers the victims' family deserves."