Police are investigating a serious crash near Bunbury that left a motorcyclist with serious injuries.
The 29-year-old man was riding a Harley Davidson north on the South Western Highway in Davenport just before 5pm on Tuesday when it collided with a silver Toyota Aurion which was crossing the highway from Craigie Street.
The rider suffered life-threatening injuries in the crash and was taken to Bunbury Hospital before being airlifted to Royal Perth Hospital.
Major Crash officers are calling on any witnesses to come forward and contact Crime Stoppers on 1800 333 000.