Three members of a family sustained burn injuries in an explosion of gas cylinder due to a leak in the line at Sonargaon upazila in Narayanganj district on Thursday morning.
The incident happened at Bari Sinish village under Mograpara union in the upazila.
The injured were identified as Habibur Rahman, 55, his wife Laila Begum, 50, and their son Rifat Hossain, 25, residents of the area.
All three are now undergoing treatment at Sheikh Hasina National Institute of Burn and Plastic Surgery in Dhaka.
Locals said a fire broke out in the morning when Laila Begum was about to light the stove in the room after Fazar prayer, leaving all three critically injured.
Hearing their screams, the neighbours rushed to the flat and rescued them. They were Dhaka's Sheikh Hasina National Institute of Burn and Plastic Surgery with critical injuries.
Locals assumed that the explosion occurred due to accumulated gas from a line leakage.
Of the injured, Laila Begum's condition was critical.
