Dhaka, March 26 -- Snigdha, one of the three children undergoing treatment following burn injuries in a gas explosion at a flat in Chattogram's Halishahar, has died.

The 10-year-old finally succumbed to her injuries after undergoing treatment for about a month. Following her death, the immediate family of her father Sakhawat Hossain have all died.

Snigdha passed away at the National Institute of Burn and Plastic Surgery at 2am on Wednesday, said Shawon Bin Rahman, assistant professor at the institute.

With burns on 30 percent of her body, Snigdha died due to "multiple organ failure" while undergoing treatment, the physician said.

The death toll from the incident has now risen to seven.

The two children of Sakhawat's brother Samir -- ...