All four people who suffered burn injuries in a gas cylinder blast in Kachpur, Narayanganj, have died, including a husband and wife.
The latest victim, Rony, 19, died while undergoing treatment at the National Institute of Burn and Plastic Surgery in Dhaka on Friday morning.
Dr Sultan Mahmud Shikder of the institute confirmed his death.
Earlier, Rozina, 30, died on the afternoon of October 14. Her husband Sharif, 34, died early on October 15, while her brother Riaz, 22, died later that day.
Rozina suffered burns to 60% of her body, while Sharif and Riaz sustained burns to 40% each. Rony had burns covering 70% of his body.
The blast occurred around 1:30am on October 10 in a room on the second floor of a six-storey building in Sonapur, Kachpur.
Four people were severely burned in the explosion, which was reportedly caused by a gas cylinder leak.
The victims were identified as tenant Rozina, her husband Sharif, her brother Riaz and another tenant, Rony.
Hearing the blast, local residents rushed to the scene and rescued the victims before taking them to the National Institute of Burn and Plastic Surgery in Dhaka for treatment.