Four people were were injured Monday morning in a crash involving a car and an ambulance in Signal Hill, authorities said.
Officers responded about 4:36 a.m. to a report of a rollover traffic collision at the intersection of Orange Avenue and Spring Street, Signal Hill police said in a statement. Upon arrival, the officers found an ambulance on its side and a black Lincoln Town car.
One person was briefly trapped in the ambulance, which had been transporting a patient in a non-emergency at the time of the collision, authorities said. The original destination of the ambulance was unknown.
The injured sustained minor to critical injuries, according to police.
Three were transported to Long Beach Memorial Hospital for treatment, said Wendy Dow, spokeswoman for the facility. A fourth person declined medical care.
One of the injured was later released, while two remained hospitalized in fair condition, Dow said.
An investigation into the cause of the crash is ongoing.