A motorbike rider has been killed in a head-on collision with a car south of Perth.
The crash unfolded in North Dandalup, about 65km south of the city, just before 5.30pm on Monday.
A grey Skoda Octavia hatch was travelling southwest on Myara Rd when it collided head-on with an Indian motorcycle being ridden in the opposite direction.
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The 40-year-old bike rider sustained catastrophic injuries and died at the scene.
The Skoda driver, a 48-year-old man, was taken to Royal Perth Hospital with serious injuries.
Major Crash investigators have taken carriage of the investigation and have appealed for witnesses who saw either the hatch or the bike in the time leading up to the crash.
Anyone with information or dashcam should contact Crime Stoppers.
Seventeen people have been killed on WA roads in the year to date.