Officers from the West Area Command Unit, which covers Hounslow, are investigating the unexplained death of a man found collapsed in Chiswick on Sunday morning, 12 January.
Emergency services were called to Sutton Lane North, near Chiswick High Road, at approximately 8:20 am. The man, believed to be 48 years old and reported missing to police the previous day, was taken to the hospital where he later died.
Authorities are appealing to anyone with information that could assist the investigation to contact police on 101, quoting CAD 1584/12Jan. Alternatively, anonymous reports can be made via Crimestoppers on 0800 555 111.
Further updates will be provided as the investigation progresses.