A person was killed when an SUV overturned Sunday morning on the Pomona (60) Freeway in Diamond Bar, authorities said.
The crash occurred at about 6:10 a.m. Sunday on the eastbound freeway at Grand Avenue, the California Highway Patrol reported, and involved a silver SUV.
Four other vehicles may have been involved in the crash, the CHP said.
The crash triggered the closure of the number four lane of the eastbound freeway for an unknown duration.
No further information was immediately available.