A fire broke out at a carton factory named Sonargaon Printing and Packaging in the Meghna Industrial Economic Zone in Tipardi area of Sonargaon in Narayanganj.
The fire broke out in the factory around 7:45 am on Monday.
Thirteen firefighting units are working to douse the blaze, Narayanganj Fire Service and Civil Defence deputy assistant director Abdullah Al Arfin said.
The cause of the fire could not be known yet.