EMERGENCY services are at the scene of a serious crash involving a car and a truck that has shut down a section of the Kwinana Freeway.
Three ambulance crews, as well as the Department of Fire and Emergency and police are on the scene.
It is believed a car is trapped underneath the truck.
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READ NOWThe Kwinana Freeway northbound lanes are closed just before Beeliar Drive in Success.
Drivers should seek an alternate route.