As soon as the team reached Sitalamari char at about 1.20 am the suspected rhino poachers fired at them forcing the STF team to return the fire, they said.
In the exchange of fire two suspected rhino poachers were killed while the others fled under of cover of darkness, they said, adding no police personnel was injured in the encounter.
During search operation in the area one .303 riffle, one silencer, swimming tube and a bag were recovered.
Deputy Superintendent of Police (DSP) Birinchi Bora along with an executive magistrate visited the Police Outpost at Sitalmari char and conducted inquest under videography there in presence of local witnesses, the sources said.
The bodies of the two suspected poachers were sent for post-mortem examination.
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