Mandurah Detectives are seeking information from the public to identify two vehicles and their occupants, after a man was seriously injured on Christmas Day.
Detectives believe these people may be able to assist with their investigation into the circumstances that led to the 41-year-old man receiving serious injuries.
The man was located on Mandurah Road, Dudley Park at about 6:30pm on Tuesday 25 December 2018.
A white Ford Falcon XR6 with male and female occupants is believed to have stopped on Mandurah Road where upon the occupants have spoken with the male prior to him sustaining his injuries.
They then left the area travelling on to Coodanup Drive, where they have spoken to the occupants of an orange Holden Colorado Z71.
Both vehicles continued along Coodanup Drive and out of the immediate area.
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The man was located a short time later by members of the public.
He was conveyed to Royal Perth Hospital by St John Ambulance where he remains in a critical but stable condition.
Anyone with any information relating to these two vehicles or their occupants is asked to call Crime Stoppers on 1800 333 000 or report the information online at crimestopperswa.com.au.
People providing information to Crime Stoppers may remain anonymous if they wish.