Two children and one teenager died after a boat capsized on the Brahmaputra River in Ibrahimpur village under Belabo upazila of Narsingdi on Saturday.
The deceased have been identified as Neela Akhtar, 16, Samia, 8, and Tamim Mia, 6.
The incident took place around 12pm as a group of minors had taken a boat to tour the area.
Hearing screams, locals rushed to the spot and rescued them.
They were rushed to Bhairab Upazila Health Complex where the doctors declared them dead.
However, several others managed to swim ashore.