A driver has ben arrested following an early morning crash in Mandurah.
Police say a white Range Rover collided with a grey Honda Odyssey at the intersection of Allnutt Street and Mandurah Road about 3.40am on Friday.
The driver of the Range Rover, a 42-year-old man, suffered minor injuries and was taken into custody.
The driver of the Honda, a 73-year-old man, sustained serious injuries and was taken to Royal Perth Hospital by ambulance.
It is unclear why one of the drivers was arrested, but police say they are continuing to investigate the circumstances surrounding the crash.
WA's only beach horse race returns to Rockingham this weekend
New industrial, commercial lots released at Peel Business Park
Volunteers, DBCA work to save several black swan cygnets from rapidly drying lake near Mandurah
Jessica Mauboy announced as headline act for Rockingham New Year's Eve celebrations
Remembrance Day services in Mandurah and Rockingham
Firefighters spend night battling blaze in Erskine and Falcon
Mandurah included in Kate Miller-Heidke's 2027 tour
South Yunderup woman charged over dangerous police pursuit
Man assaulted with 'electrical device' while riding e-scooter in Mandurah