The floating body of a youth was recovered from Kaptai Lake in Sadar upazila of Rangamati district Thursday morning.
The deceased is identified as Illias Hossain Kanchan, son of Ali Akbar of Barkal upazila in the district.
Aumar Kumar Chakma, chairman of Balukhali union parishad, said locals found the body floating in the lake in the morning and informed police.
Later, the body was recovered and sent for autopsy, he said.
Md Kabir Hosssain, officer-in-charge of Kotwali police station, said body was partially decomposed.