Four people, including two children, drowned in separate incidents in Magura and Bogura districts on Wednesday and Thursday.
In Bogura, two minor girls were drowned in Gabtali upazila of Bogrua on Thursday afternoon.
The victims were identified as Nesha, 10, daughter of Mamun Mia at Mirpur village in Kagail union, and Prottasha, 11, daughter of Abdullahel Kafi Paltu of the same village.
They went for a bath in Dangar Beel near their home around 12:30pm.
Abdul Qaddus, sub-inspector (SI) of Gabtali Model Police Station, said the girls went to the beel to take a bath and drowned.
Later, passersby discovered their bodies floating in the water and retrieved them.
In Magura, two individuals drowned while fishing in a beel at Bara Theipara village in Shalikha upazila on Wednesday.
The deceased were identified as Komolesh Biswas, 35, son of Kumaresh Biswas, and Kanak Biswas, 40, son of Kalipada Biswas, both from the same village.
Ali Sajjad, Deputy Director of Magura Fire Service and Civil Defence, said they received information about two missing persons while fishing in Theipara village on Wednesday evening.
However, they could not conduct a search at night due to the lack of divers. On Thursday morning, locals recovered the bodies before the divers arrived from Khulna.
An unnatural death case has been registered at Shalikha Police Station regarding the mater.