A 35-year-old man, who sustained injuries in an explosion while allegedly making bombs in Kushtia district, succumbed to his wounds at Rajshahi Medical College and Hospital on Tuesday.
The deceased was identified as Abu Bakkar, a resident of Bilgathua village in Daulatpur upazila of Kushtia.
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Mohammad Shafique, officer-in-charge of Daulatpur police station, said that Bakkar and his wife Madhubala, 30, were injured when a bomb exploded in their house last Thursday.
They were initially taken to Kushtia General Hospital, from where Bakkar was shifted to Rajshahi Medical College and Hospital as his condition had deteriorated.
Around 7pm on Tuesday, Bakkar died, the OC said.
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An FIR has already been filed against 13 people in connection with the explosion, and Madhubala and Abu Bakkar were named as the main accused in the case.
Madhubala managed to flee from Kushtia General Hospital, police said.