Police are investigating after a man and woman were injured in crash south of Mandurah on Friday.
Traffic Enforcement Group offices said a silver Ford Falcon sedan and a white Ford Falcon Ute collided at the intersection of the Dawesville Bypass and Bailey Boulevard about 5.05pm.
Firefighters from Falcon and Mandurah were called to the scene to free a person who was trapped.
The driver of the white ute, a 69-year-old man, received serious injuries while his passenger, a 69-year-old woman, was also injured.
The pair were taken to Peel Health Campus by St John Ambulance.
The driver of the silver sedan, a 20-year-old man, walked away unscathed.
Investigators are urging anyone with dash-cam or mobile phone vision of the incident, or of the cars in the area prior to the crash, to upload the vision via this police link: https://wapf.au.evidence.com/…/dawesvilleserious230421
Anyone who saw the crash or has information relating to the crash, is asked to contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.