"The incident (blast) took place last night. The doctors declared one of the two dead immediately as they were rushed to the hospital while the other succumbed to his wounds later," a police official said.
The two deceased were not known in the neighbourhood in a village in northwestern Bogra and were residing in the house rented by an autorickshaw driver, who was not inside the complex when the blast took place.
According to local reports, police's bomb disposal team this morning recovered at least twenty grenades, firearms and ammunition from the building.
The recovery was made after a 12-member team of the bomb disposal unit from Dhaka started their investigation at the one-storey building beside Dhaka-Bogra highway at Mohipur village.
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The grenades, four foreign pistols and 20 bullets were found from different rooms of the building, Mohammad Asaduzzaman, superintendent of police in the district, was quoted as saying by the Daily Star.
The blast area was cordoned off by policemen and members of Rapid Action Battalion.