Two minor girls drowned in a pond in Galachipa upazila of the district on Thursday.
The deceased were Maryam, 7, daughter of Nizam Mridha, and Rafia, 4, daughter of Masud Mridha of Sutabaria village under Chiknikandi union of the upazila.
Locals said the children came out of their homes to play around 11am and were not found after some time.
Later, the bodies floating in the pond were recovered around 3pm and rushed to the upazila health complex where doctors declared them dead.
Read more: Two children drown in Ctg pond
Shonit Kumar Gayen, officer-in-charge of Galachipa police station, said that on information a team was sent to the spot while the bodies were handed over to their families later.
He suspected that the children fell into the pond while playing on the bank of it.