Police are investigating after a man was found laying on the side of the road with critical injuries in Kwinana Beach.
The man was found on the north side of Rockingham Road, adjacent to the Perth Motorplex, between Anketell Road and Thomas Road around 7.20am on Saturday.
Police believe he may have been struck by a vehicle.
The man was taken by ambulance to Fiona Stanley Hospital where he remains in a critical condition.
Investigators are urging anyone with dash-cam or mobile phone vision of Rockingham Road around the vicinity of where the man was located prior to 7.20am this morning, to upload the vision direct to them via this link: https://wapf.au.evidence.com/axon/citizen/public/seriousinjuriesunknownmalekwinana
Anyone with any information relating to this incident is asked to contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.