Dhaka, Feb. 25 -- In just three days, a string of suspected gas leak fires across at least four districts, including Chattogram, has exposed the alarming vulnerability of urban households, leaving five members of a single family dead and 15 others injured.

A gas line explosion ripped through a flat on the third floor of a six-storey building at Halishahar in Chattogram early Monday, leaving nine of a family injured.

Five of them - Shawkat Hossain, 49; Ashura Akter Pakhi, 30; Nurjahan Akter; her son Shawon; and her brother-in-law Sumon succumbed to their injuries till Wednesday afternoon.

4 of a family burned in Hazaribagh 'gas leak' fire

The other injured victims are undergoing treatment at the National Institute of Burn and Plastic s...