Four members of a family, including two children, suffered burn injuries as a fire broke out in a house at Kumar Para village in Araihazar upazila of Narayanganj early Monday.
The injured are businessman Solaiman, 42, his wife Rima Akhter, 31, their son Mahid, 13, and Arash, 3.
Read: 4 burned in N’ganj as gas cylinder leak causes fire
Solaiman's cousin, Yunus, said the fire might have broken out at the one-storey building before dawn due to leakage in a gas cylinder.
The injured are being treated at the Sheikh Hasina Burn Institute of Dhaka Medical College and Hospital (DMCH), said Md Bachchu Mia, in-charge inspector of DMCH police outpost.