One person was taken to a hospital after a rollover crash on the San Gabriel River (605) Freeway in West Whittier, authorities said Monday.
The crash involving at least two vehicles was reported at 10:37 p.m. Sunday, according to the California Highway Patrol.
One vehicle, a gray sedan, overturned and was blocking the Washington Boulevard on-ramp, a witness told the CHP.
Paramedics took one person to a hospital for treatment, according to Los Angeles County Fire Department Dispatch Supervisor Melinda Choi.