The death toll from the explosion in a scrap godown at Rajabari of Kamarpara in the city rose to four as another injured victim died at a city hospital early Monday.
The deceased was identified as Md. Mizan, 35.
Mizan, who sustained 95 percent burn injuries, breathed his last at Sheikh Hasina National Institute of Burn and Plastic Surgery around 1:30 am, said Dhaka Medical College Hospital (DMCH) police outpost in-charge Md Bacchu Mia.
On Sunday, three injured- Gazi Mazharul Islam, 48, Md Alam Mia, 20, and Md Nur Hossain, 60- died at the same hospital.
Eight people suffered burn injuries in the blast occurred around 11:45 am on Saturday in the godown, said Officer-in-Charge of Turag Police Station Mehedi Hasan.
The other injured -Masum, 35, Md. Al-Amin, 30, Shafiqul and Md. Shaheen, 25- are undergoing treatment at the hospital with severe injuries.
Among them, Masum received 95 percent burn injuries while Shafiqul received 80 percent, Al-Amin 75 percent and Shahin received 35 percent, said the hospital’s Resident Surgeon Dr SM Ayub Hossain.