A woman was airlifted to hospital following a crash 200km south of Perth.
Just before 2pm a beige-coloured Nissan Patrol ute collided with a silver-coloured Mitsubishi Triton ute at the intersection of Elgin and Railway Roads.
The RAC rescue helicopter transferred a passenger in the Nissan to Royal Perth Hospital where she is in a critical but stable condition.
The drivers of both vehicles were taken to Bunbury Regional Hospital with minor injuries.
Police would like to speak to anyone who saw the crash or either vehicle prior to the crash.
Anyone with information on the crash can call CrimeStoppers on 1800 333 000.