Dhaka, Dec. 6 -- Four members of a family, including two children, have been burnt in a fire triggered by a "mobile charger" explosion in Narayanganj's Sonargaon.

Sonargaon Police Inspector Mohammad Rashedul Hasan Khan said the incident occurred on the second floor of a six-storey building on Saturday morning.

The injured have been admitted to the capital's National Institute of Burn and Plastic Surgery.

The injured have been identified as Md Alauddin, 35, a garment worker; his two daughters Shifa Akter, 14, and Shimla Akter, 4; and their grandmother Jarina Begum, 65.

The burn institute's Resident Surgeon Shaon bin Rahman said the victims suffered burn injuries between 12 percent and 40 percent.

Alauddin suffered the worst injury.

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