The deceased were identified as Md Ferdous, 30, son of Habib Ullah, and Md Abdus Samad, 35, son of late Syed Ahmed, residents of 1 no Balukhali Rohinga Camp of Ukhia.
Being tipped of that a big consignment of Yaba will be smuggled into the country, a team of BGB under Leda BOP took position near the Naf river, said a press release.
When, a gang of drug traders entered Bangladesh swimming the river, the team challenged them.
When the team approached to the gang, they opened fire on the BGB members, forcing them to fire back that triggered the skirmish.
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After the gunfight, they rescued Yaba traders with bullet injury.
Later, they were rushed to Teknaf Upazila Health Complex where doctors declared the duo dead.
Three BGB members were also injured in the gunfight.
The BGB team also recovered 2.10 lakh Yaba pills from the spot.