Narayanganj: Five workers of a dyeing factory sustained burn injuries in an explosion at the factory at Dapa Idrakpur of Fatullah in Narayanganj on early Tuesday.

The injured are Russel, Yeasin, Shahjalal, Sabbir and Nannu-all workers of Amin Dyeing Factory.

Sources said the incident took place in the early hours on Tuesday when the gas pipe line of the factory went off with a big bang, leaving the workers injured.

Later they were rushed to the burn unit of Dhaka Medical College Hospital.

Golam Mostafa, sub-inspector of Fatullah Model Police Station, confirmed the incident.