The operation by BSF was carried out to locate and secure cross-border tunnels used by terrorists to enter the Indian territory and defuse improvised explosive devices (IEDs).
Three terrorists had infiltrated into India via a tunnel along the IB in Chamliyal of Ramgarh sector on November 29, but were killed by Border Security Forces in an encounter.
"The area along IB where the militants had entered and encounter took place was ploughed to find any tunnel or IED or grenades in Chamliyal area," a senior BSF officer said.
The device reportedly belonged to the terrorists and was used by them to locate their way and the movement of security forces.
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BSF had last month decided to scan the areas after they found that the terrorists had infiltrated via a 70-feet tunnel along IB in Samba district before being gunned down.
"We will scan the borderline to find if any more such tunnels are in the area," the officer said.
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