A 41-year-old man was airlifted to Royal Perth Hospital after crashing his car earlier this morning.
The man's four-wheel drive towing a trailer collided with a tree along South West Highway near Keysbrook just after 1:30am.
Emergency services needed to use the jaws of life to cut the man from the wreckage.
The RAC Rescue helicopter airlifted the man to Royal Perth Hospital around 3am.
Fairfax reports a St John Ambulance spokeswoman said the man sustained possible leg injuries.
It's understood the man remains in a serious but stable condition.
New murals to transform Coodanup, Madora Bay public spaces during Mandurah Arts Festival
Teen driver allegedly three times over legal alcohol limit in Rockingham
New councillors elected in Rockingham, Mandurah
Rockingham's Stan Twight Reserve named 2026 WA Football Facility of the Year Award
Homeless campers on Memorial Drive given 24 hours to vacate
Women injured in serious North Dandalup crash
Daughter of man allegedly stabbed to death in East Rockingham pays tribute to father
Peel Thunder claim fourth WAFL premiership
Man dies after suspected stabbing in East Rockingham