Ontario fire crews responded to the scene in the 500 block of W. Holt Blvd around 8:30 p.m., Deputy Chief Mike Pelletier of the Ontario Fire Department said.
@ABC7 building fire in Ontario off of Holt pic.twitter.com/9C1LBKkfnO
— La Gorda (@MissMNaomi) April 4, 2016
About 30 firefighters were battling the large flames that were seen shooting up from miles away.
Officials said two ambulances were at the scene. There were no reports of injuries.