CITY OF INDUSTRY (CBSLA.com) — At least two people were killed after a car overturned over the side of the southbound San Gabriel River (605) Freeway in the City of Industry.

The crash was first reported at 7:34 a.m. north of the Pomona (60) Freeway, according to the California Highway Patrol. A woman and a girl in the passenger seat died at the scene, and two others — also female — were taken to hospitals in critical condition.

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The victims names were withheld pending notification of their relatives.

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According to the preliminary investigation, the 2005 Pontiac Grand Am went off the road of the southbound 605 Freeway and struck a tree. A SigAlert was declared for the slow lane of the 605 Freeway to allow crews to clear the scene.

The roadway was cleared and the SigAlert canceled at 11:23 a.m.

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