Two people have been taken to hospital after a serious crash in Mundijong.
It's understood a Toyota LandCruiser Prado being driven south on the South Western Highway and a Ford sedan being driven east on Keirnan Street collided at the intersection of the two roads around 5pm on Sunday.
The driver of the Ford, a woman in her 20s, was airlifted to Royal Perth Hospital.
The driver of the Toyota, a man in his 40s, was taken by ambulance to Armadale Hospital.
The investigation into the crash in ongoing.