A massive search operation was launched on Wednesday after the Border Security Force (BSF) fired at a Pakistani drone along the International Border in Samba district of Jammu and Kashmir, official sources said.

The BSF troops manning the Chamliyal border post in Ramgarh sub-sector picked up a blinking red light in the air, believed to be a drone, from Pakistan around 2.30 am and fired over two dozen rounds to bring it down, they said.