The body of a 23-year-old was recovered from Narainpur border area in Companiganj upazila of Sylhet on Sunday morning.
The deceased was identified as Nuruzzaman, son of late Hanif Ali of Chikadahar village of the upazila.
When some villagers went fishing around 7:30 am, they saw the body floating in the river and informed the police.
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On information, the Border Guard Bangladesh (BGB) and local police recovered the body.
Sub-inspector Asadul Islam, second officer of Companiganj Police Station, confirmed the matter.
The investigation into the incident is ongoing, said the SI.