Firefighters battle a 5-alarm fire that broke Wed evening at a massive chicken farm in Farina, Ill.

"at a facility housing over 1.2 million chickens. The farm is one of the largest free-range egg facilities in the country. Over 15 fire departments responded to this major fire, with at least three buildings catching fire and causing significant property damage. The smoke was so heavy that it was picked up on Doppler radar, reaching between 13,000 and 15,000 feet in the air, and could be seen from over 20 miles away. Officials said there is no determination yet of what may have caused the fire, and it is currently under investigation no one was injured but millions of chickens are confirmed to be dead."