Five workers sustained burn injuries in an explosion at a steel factory in Rasulpur area of Fatullah upazila on Monday.
The injured were identified as Sohel Rana, 36, Liton,35, Arif,27, Billal Hossain,35, and Mohammad Ali,26.
Chemist of the factory Md Ashik rescued the workers and took them to Sheikh Hasina National Institute of Burn and Plastic Surgery.
Md Ashik said the explosion occurred around 11:30 am apparently in the water supply pipeline of the factory.
The hospital authority said the injured got 50 per cent to 11 per cent of their body burnt.
Dhaka Medical College Hospital police camp in-charge Bacchu Mia said the five injured who were admitted to the hospital are workers of CHRM steel mill in Fatullah.