The death toll from the gas cylinder explosion that caused a fire at a house in Dhaka's Dhamrai rose to four as another injured person died at Dhaka Medical College and Hospital (DMCH) on Wednesday morning, police said.
The deceased was identified as Monjurul Islam, 32.
Monjurul, who sustained burn injuries to 33 percent of his body, died at the intensive care unit (ICU) of Sheikh Hasina National Institute of Burn and Plastic Surgery around 8am, said its resident surgeon Dr SM Ayub Hossain.
Earlier, Manjurul's wife Josna Begum, 25, their one-and-half-year-old daughter Mariam and niece Sadiya Akter, 18, succumbed to their injuries at the hospital.
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Josna's elder sister Hosna Begum, 30, is now undergoing treatment at the hospital with 25 percent burn injuries, Inspector Bachchu Mia, in-charge of Dhaka Medical College Hospital (DMCH) Police Outpost, said.
On January 7, a fire broke out following a gas cylinder blast on the second floor of Monjurul's rented house at Kumral village in Dhamrai at around 5.30am when Josna Begum tried to light a gas stove.