Massive fire tears through warehouse in Ontario

ONTARIO, Calif. () — A massive fire erupted at a warehouse in Ontario, prompting a large response from first responders overnight.

The fire was reported around 12:30 a.m. Tuesday near Hellman and Merrill avenues, according to the Ontario Fire Department. More than 100 firefighters were on scene battling the flames that cast an orange glow in the area.

It’s unclear what started the fire, but officials say multiple people in the area called and reported hearing a loud boom.

The warehouse is a Kimberly-Clark site, a company that specializes in paper-based personal care and hygiene products.

It’s unclear if anybody was inside the building when the fire broke out. No injuries were reported.

DEVELOPING: We will add more details to this report as they become available.