A fire broke out at a Middletown, CT, water plant Monday night, officials said.
The fire broke out on the roof of the Roth Water Treatment Plan, a city-owned facility in Middletown.
Heavy flames were visible through the roof of the building, located on the 1200 block of River Road.
Officials said the building had large amounts of chlorine, which is used commonly in water treatment and the chlorine could create dangerous conditions for the firefighters battling the blaze.
No injuries were reported in the incident, and the cause of the blaze is under investigation.