WELD COUNTY, Colo. (CBS4) – Firefighters in Weld County responded to a fire at the Nobel Energy facility on County Road 30 near County Road 49.

Fire at oil and gas site in Weld County. (credit: CBS)

Flames reached feet into the air. They were seen charring at least two semi trucks and trailers.

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(credit: CBS)

(credit: CBS)

Authorities tell CBS4 no one is hurt, and all persons are accounted for. They say diesel fire is burning, and the facility is under construction.

(credit: CBS)

(credit: CBS)

Investigators believe there’s a fracture in a diesel-carrying line.

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Resident living in a one-mile radius will be getting a reverse 911 call because of the smoke.

The Platteville-Gilcrest Volunteer Fire Department was responding.

(credit: CBS)

The fire is south of Milton Reservoir and 10 miles north of Hudson.

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Details about how the fire started or if anyone is hurt have not been confirmed by authorities.