SEVEN fire crews have been tackling a fire throughout the night.
Fire crews were called at 10:30pm on Sunday night to reports of a glass furnace on fire on Burton Road in Monk Bretton.
Crews have been tackling the fire throughout the night.
A large amount of molten glass is leaking from the furnace.
There are no reports of any injuries to anyone and there are no evacuations in place at the moment.
An investigation into the cause of the fire will begin once the incident is over.