By CBSLA Staff

COVINA (CBSLA) — An investigation is underway after two people were killed in a violent crash on the 10 Freeway in the Covina area.

The crash unfolded overnight Sunday on the eastbound lanes of the thoroughfare killing two people inside a white Nissan.

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Two occupants inside a Honda Odyssey were also involved in the crash and initially fled on foot. After a short time, they turned around and walked back to the scene. One person was taken to the hospital for medical treatment.

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The cause of the crash remains under investigation.

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No further details were released.