US, Los Angeles: Ontario Firefighters Respond to Large Mulch Fire Overnight B Roll Part 2.

Los Angeles, United States - May 15, 2026 05/14/2026 06:26 pm GMT-0700 ONTARIO, Calif. – Firefighters in Ontario continue to battle a mulch fire that has been burning since Thursday evening at 13434 South Ontario Avenue. The fire, which began around 6:30 PM, has prompted the Ontario Fire Department to request a bulldozer to help control the situation as it burns overnight. As of now, the cause of the fire is unknown, and there is no information regarding the number of firefighters currently on the scene.