FIREFIGHTERS were called to a fire at the Trent Barton bus depot in Derby.
A spokesman for Derbyshire Fire and Rescue Service said crews were called to the site, in Meadow Lane, following reports of a smell of burning and light smoke.
He said the incident involved a small fire in a compressor unit in the basement of the garage.
Fire crews extinguished the fire and ventilated the property before leaving at about 3.55pm.
Staff were evacuated from the premises while fire crews dealt with the incident.