COSTA MESA, Calif. (KABC) -- One person was ejected and killed Wednesday morning in a multi-vehicle crash that left three others hospitalized and forced the closure of all northbound lanes on the 405 Freeway in Costa Mesa.
The three-vehicle pileup was reported about 4:45 a.m. near the Harbor Boulevard on-ramp, according to a California Highway Patrol incident log.
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One person died at the scene. That individual was not immediately identified.
Three others were transported to hospitals with unspecified injuries.
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Northbound traffic was backed up for miles as crews worked to clear the scene. Three lanes were later reopened.
The cause of the collision was under investigation.