Unconscious man in Scarborough
The man in his 30s was located collapsed in the carpark of the Indian Ocean Hotel on Hastings Street.
The man was conveyed by ambulance to Royal Perth Hospital where he is in a serious condition.
Detectives would like to speak to anyone who was in the area between midnight and 12.50am who may have seen the man, or anyone who has dash-cam vision of the area around the hotel.
Anyone with any information is asked to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au. People providing information to Crime Stoppers may remain anonymous if they wish.