COMMERCE CITY, Colo. -- Fire officials say an asphalt tank caught fire at the United Asphalts plant in Commerce City this morning.
A witness told Denver7 there was an explosion.
Gregg Vest, was working security detail at a nearby business when he heard a loud boom, ran outside and saw smoke coming from one of the tanks at the asphalt plant at 4306 E. 60th Avenue.
"I called 911," he said.
Vest, snapped several photos of the black smoke emanating from the plant site.
Vest said he saw a crew member on a fork lift trying to control the blaze with a fire extinguisher.
An Adams County Fire Department spokesperson said the fire broke out around 11:25 a.m. as the crew tried to heat the tank "to get the right consistency."
There were no injuries.
