They were called out at earlier on today.
Fire crews from Chesterfield and Clay Cross have been dealing with a blaze at an industrial unit this afternoon.
Emergency services were called to an electrical fire on Tupton Way in Holmewood at 3pm.
15:00 - #Chesterfield_White & @ClayCrossFire were called to a fire at an industrial premise on Tupton Way, Holmewood. This was an electrical fire involving a transformer unit. #Firefighters used 2BA & left the incident with site owners pic.twitter.com/6YHgm883iM— Derbyshire Fire & Rescue Service (@DerbyshireFRS) November 11, 2019