Several firefighting units have been dispatched to the factory in the Bayezid Textile area
Bangladesh Meteorological Department recorded the lowest temperature in the country at 9.5 degrees Celsius in Rangpur's Rajarhat on Sunday while the mercury dropped to 13.6 degrees Celsius in Dhaka.
Parts of the country have been shrouded in mild to dense fog since midnight on Sunday. The cold spell has intensified due to a lack of sunlight in these areas.
Much of the country will be covered in mild to dense fog from late Sunday until early Monday, according to the Met Office. However, no rain has been forecast during the cold spell.