Ershad Hossain, duty officer of Fire Service and Civil Defence Control Room, said the fire which broke out at the slum at 9 pm on Friday was fully doused around 2:05 am.
Ten fire-fighting units went to the spot and brought the fire under control around 11pm, he said.
Two fire fighters were injured while extinguishing the fire, said Ershad Hossain.
The origin of the fire could not be known yet.
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