FOUNTAIN VALLEY ( —  Seven people were hurt, three critically, when an ambulance and medical van collided in Fountain Valley on Friday afternoon.

The crash occurred at the intersection of Euclid Street and Warner Avenue, authorities said.

READ MORE: LA City Council To Vote Tuesday On Ghost Gun Ban

The ambulance ended up on its side.

READ MORE: New Princess Diana Exhibit To Open In Santa Monica

Officials said the ambulance was racing a patient to a hospital with its lights and sirens on.

People inside the ambulance had to be extricated by emergency responders.

MORE NEWS: LA Special Counselor To Plead Guilty To $2.2M LADWP Kickback Scheme, Bribing LADWP Officials

Six people were sent to the hospital for treatment. Three of the injured were hurt critically but officials said none of the injuries appeared to be life-threatening.