Crews responded to find a fully engulfed two story building and determined that due to hazardous material and conditions they would monitor the fire as it burned throughout the night rather than

Crews will continue to monitor a fire Tuesday morning that fully engulfed a two-story building at the old Sugar Mill factory near Longmont, the Boulder County Sheriff’s Office said.

Crews were not able to fight the fire at the abandoned sugar factory because of hazardous materials inside the building and weather conditions, sheriff’s officials said.