Police are investigating the circumstances that led to the death of a man at St Bartholomew's House in East Perth.
At around 4:50pm yesterday the body of a 55-year-old man was found inside a residence at the short term accommodation service.
Homicide Squad investigators would like to speak to a man who was seen in the area at the time.
They believe he may be able to assist with their inquiries.
Anyone with information regarding the incident, or who can identify the man pictured should contact Crime Stoppers on 1800 333 000 or make an online report.

Picture: WA Police.
Bondi Beach Statement
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