The deceased were identified as Azizul, 30, and his wife Muslema alias Urmi 20, while the injured were Dablur, 33, Anjum, 33, Abdullah, 5, Purnima, 30, Sufia, 60, Sagor, 12, hailing from Bhangura in Pabna district.
They were the inmates of a ground-floor flat of a two-storey building, said sub-inspector Bachchu Miah of Dhaka Medical College Hospital (DMCH) police outpost adding that most of the victims are garment workers and one of them was rickshaw puller.
Shafiqul Islam, a senior station officer of Fire Service and Civil Defence in Uttara, said the fire broke out at their flat on the ground floor around 4 am following a leakage in the supply gas pipeline.
On information, three units from nearest Fire Service and Civil defence Station rushed in and doused the fire.
Later, the firefighting team rescued the injured, including the four women and the minor boy, from the flat and took them to the DMCH, said the official adding that the conditions of six were critical, the Fire Service officer said.
Among the injured, Azizul died around 10:30 am and his wife Muslima alias Urmi scumbled to her injuries around 5:05 pm.