Five workers of a re-rolling mill suffered burn injuries in an explosion at Siddhirganj in Narayanganj district on Saturday.
The injured were identified as Iqbal, 26, Saiful, 30, Zakaria, 22, Muzammel, 30 and Shariful, 25 of Godnail Syedpara area.
Fakhar Uddin, deputy assistant director of Narayanganj Fire Service and Civil Defence, said an explosion occurred at the Sharmin re-rolling mill early in the morning, leaving workers injured.
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Condition of three out of five workers who suffered burn injuries was stated to be critical and they are undergoing treatment at Sheikh Hasina National Institute of Burn and Plastic Surgery in Dhaka.
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Of the injured, Muzammel sustained 100 percent burn, Saiful 60 percent, Shariful 57 percent, Jakaria 35 percent and Iqbal 33 percent, said the hospital’s resident medical surgeon Dr Tarikul Islam.
Fakhar Uddin, deputy assistant director of Narayanganj Fire Service and Civil Defence, said overflow of gas might cause the explosion when the workers were asleep.
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On information, two firefighting units rushed to the spot and brought the blaze under control within a short time, he said.
The reason behind the explosion will be known upon investigation, said Engineer Gias Uddin of Narayaganj Titas Gas.