He says people with information about the chairman’s location will be rewarded
The incident took place in Mirganj area around 12pm on Sunday, said Mohsin Ali, chief of Bagha Police Station.
The dead have been identified as Jeem, 17, a college student, her sister Esha Khatun, 9, and their cousin Shipra, 12.
"The three went to take a bath in the Padma River. Esha and Shipra drowned while swimming. Jeem rushed to help them and went missing too,” OC Mohsin said.
The locals rescued them and took them to Charghat Upazila Health Complex, where doctors declared them dead, the OC added.
They died before reaching the hospital, physician Al Zazeera said.