Light bars on an ambulance.
File photo.

A person was killed and three other people were injured in a multi-vehicle traffic collision today on the 91 Freeway in Bellflower, authorities said.

The crash occurred at 1:58 a.m. on the eastbound freeway at Lakewood Boulevard, the California Highway Patrol reported.

Paramedics dispatched to the location at 2:02 a.m. rushed three people to area hospitals, according to a county fire department dispatcher. Their conditions were  not immediately known.