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.
Police issue 31,000 driving infringements in first month of new AI cameras
Works underway on Rockingham and Safety Bay High School redevelopments
New measles exposure sites revealed in Bunbury
Dawesville man charged after allegedly leaving his elderly Great Dane to suffer painful conditions
Good Samaritan sought by police after helping teen during robbery in Baldivis
Under-16s social media ban now in force
Desperate search continues for missing Bunbury FIFO worker
Passengers now able to use credit, debit cards to tag on and off WA's public transport
New floating jetty speeds up emergency response times for Marine Rescue Mandurah