File photo.

Two people were killed when their vehicle caught fire during a two-vehicle traffic crash on the 405 Freeway in Seal Beach, authorities said today.

The crash on the southbound freeway, at the Seal Beach Boulevard offramp, was reported at 11:52 p.m. Saturday, the California Highway Patrol reported. Two people were pronounced dead at the scene.

The CHP said at least two vehicles were involved in the crash.

All lanes of the southbound freeway were cleared at 3:33 a.m.

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