A person was killed Thursday morning during a two-vehicle crash on the Orange (57) Freeway in Placentia, authorities said.
The crash occurred about 4:05 a.m. on the northbound freeway at Orangethorpe Avenue, according to the California Highway Patrol.
The crash involved a white van and white work truck, with at least one of the vehicles overturning on to its roof, the CHP said.
All lanes of the freeway were opened at 6:10 a.m.