Online Desk: With the death of the last surviving injured worker on Thursday, all seven workers, who suffered burn injuries in an explosion at a steel mill in Narayanganj’s Rupganj upazila on May 4, have died.

Ibrahim Hawlader, 34, with 28 per cent brns, breathed his last around 9am at Sheikh Hasina National Institute of Burn and Plastic Surgery while undergoing treatment there.

The incident took place at 4pm on May 4 while around 15 workers were working at RICL Re-rolling Mills in Saughat area of the upazila. The melted iron spilled on the workers when an explosion took place in the furnace of the factory One died on the spot and six others critically injured.

Other six workers were Shanker, 40, Yasin, 35, Jewel Hossain, 25, Golam Rabbani alias Rabbi, 35, Alamgir, 30, Ayan, 20,