Two Southern California fire trucks collided Wednesday in Monterey Park while responding to a house fire in a crash that caused one truck to smash into a restaurant.

No fatalities were reported in the collision involving units from the Monterey Park Fire Department and Alhambra Fire Department. At least 15 people, including six firefighters, were injured, reports the Los Angeles Times.

Both trucks had their lights and sirens on when the 3 p.m. collision occurred.