A fire broke out at a footwear factory in Ulusara area of Gazipur's Kaliakair upazila on Saturday afternoon.
Lima Khanam, a duty officer at Fire Service and Civil Defence Control room, said the fire originated at the factory of FB Footwear Ltd at 4:30pm and spread rapidly.
On information, seven firefighting units rushed to the spot and are working to bring the flame under control, she added.
It was not ascertained immediately what sparked the fire. No casualties were reported till filing this report.
According to the factory sources, chemicals used in manufacturing footwear were kept in a corner of the one storied building.