The death toll in Bhasantek fire rose to four as another injured died at a hospital in the capital on Friday morning.

The 7-year-old Lamia had suffered 55 per cent burn injuries.

Torikul Islam, a resident surgeon at the Sheikh Hasina National Institute of Burn and Plastic Surgery, said Lamia breathed her last around 6am at the institute

Earlier, her father Liton Mia, 48, mother Surya Banu, 40, and grandmother Meherunnesa, 70, died while receiving treatment at the hospital.

Lamia`s two siblings -- Liza, 18, with suffered 30 per cent burns, and Sujon, 9, with 43 per cent -- are currently undergoing treatment at the hospital.

On April 12, six members of the family were injured after the fire broke out on the ground floor of the house in Natun Bazar Culvert Road area at Bhasantek at around 4am.