An elderly man and his two sons died apparently after inhaling toxic gas while cleaning a septic tank which became unusable in 'flood water' at Chakaria in Cox's Bazar on Wednesday.
The deceased are Anwar Hossain, 70, his two sons Shahadat Hossain, 50, and Shahidul Islam, 22, of Bahaddarkata area of BMchar Union of Chakaria upazila.
Javed Mahmud, officer-in-charge of Chakaria police station confirmed the matter. He said that the incident took place at Bahaddarkata area of BMchar Union of Chakaria Upazila at 11pm. Quoting locals, the OC said that the water entered the septic tank of their house which made it unusable. Two brothers came down to clean the septic tank as the water went down from the house.
They became unconscious inside the tank due to gas poisoning. Meanwhile, their father also fell ill while trying to rescue them, the OC added.
Being rescued by the locals, they were taken to Chakaria Upazila Health Complex where a duty doctor declared the two brothers dead.
Meanwhile, their father died on Thursday morning while undergoing treatment at the health complex.