A fire is burning at the CHS oil refinery in Laurel.

John Traeger tells The Billings Gazette the fire started at about 8 a.m. Friday and was burning in the diesel hydrotreating unit.

Employees have been evacuated and Traeger says no one appears to have been injured.

Traeger says the refinery's emergency response team is fighting the blaze.

[via billingsgazette.com]