A YANCHEP man was due in the Perth Magistrates Court on Saturday, September 8 after being charged with unlawful assault causing death.
A WA Police spokeswoman said homicide squad detectives charged a 20-year-old Yanchep man in connection to the death of a 48-year-old man who was found unconscious in Subiaco in early hours of Sunday, August 26 and who later died in hospital.
On August 30 a police spokesman named the 48-year-old man of Subiaco as Dean Allan Cooksley.
The spokesman said detectives had received information through Crime Stoppers suggesting at 3.30am on August 26 a small red hatchback vehicle was seen in the area.
He said anyone who saw the car or had dashcam footage available was asked to call Crime Stoppers.
On September 8 a spokeswoman said police were still asking for anyone with information relating to this incident to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au
Callers can remain anonymous if they wish.