Rockingham Detectives are investigating a hit and run in Cooloongup this morning.
Police said a man was struck by a vehicle on Annean Loop at about 5.30am.
The vehicle was described as a light coloured utility and the driver did not stay at the scene.
The man received serious leg injuries and was taken to Royal Perth Hospital.
Detectives would like to speak with anyone who was in the area of Annean Loop and Neale Place, or anyone with dashcam vision in that area.
Anyone with information is asked to contact Crime Stoppers on 1800 333 000 or report online at Crime Stoppers.