The Border Security Force (BSF) opened fire at a suspected Pakistani drone along the International Border (IB) here on Saturday, officials said as a massive search operation was launched to ensure no weapons or narcotics were dropped by it.

A BSF spokesperson said alert troops of the force fired at the suspected flying object when it entered the general area of Arnia around 4.10 am. "The humming sound of a suspected drone was heard in the morning at 4:10 am by alert troops of the BSF in the general area of Arnia. The troops fired towards the direction of the sound," the spokesperson said.