Transcript for 11 firefighters injured battling blaze caused in hash oil production facility
Next tonight scenes of bravery in Southern California. Eleven firefighters injured including three critically. After an explosion and fire at a company that makes hash oil Los Angeles here's ABC's chief national correspondent Mecca. Those firefighters scrambling across that letter they're breach from the inferno. To safety minute scene in the shocking video that fireball erupts in gulf and the latter and the firefighters clinging to it. Amazingly officials tell us all eleven men caught in the flames expected to survive. Eight of them remain hospitalized from that fire at this punish oil companies Saturday night. That tower of smoke looming over downtown officials tell ABC news that what started as a standard fire. Yeah. Yeah full. Blew up like hits the inferno visible from blocks away. It. I do it out wildfires. And more of them would go down. Most of them from a lace fire station nine. We have firefighters. Entered a lot of content and apparently. Aren't. Fire station nine is the busiest in the country and we embedded with them over a six month period. As they cook their meals responded to dozens of calls and the homeless community and race to fires. But rarely won as unpredictable as the it's. And John station eyes incredibly cohesive unit almost like family and one fire fire her firefighter described the horror. Of seeing his friends burned in front of him now there'll be two investigations here one standard investigation every time a firefighter is hurt and the other. With the assistance of the ATF will look into how what seemed like a standard fire behind me turned into a series of explosions Tom. A terrible fire and our thoughts tonight with those firefighters were injured right Matt thank you.
This transcript has been automatically generated and may not be 100% accurate.