A crash involving five cars on Pacific Coast Highway in Malibu trapped two people and was expected to heavily impact traffic in the area, authorities confirmed Wednesday.

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PCH was blocked in both directions north of Big Rock Drive while crews worked to clear the scene.

The crash was reported at 1:23 p.m. in the area of 20000 W. PCH in Malibu.

Two people were trapped and at least nine people were being treated for injuries, Los Angeles County Fire inspector Randall Wright confirmed.

Helicopters were called to transport patients.

The wreck was just south of restaurant Moonshadows Malibu.