A massive search operation was launched in the Ajnala sector near the Kot Rajada border outpost (BoP) in Amritsar District of Punjab on December 1 after an unmanned aerial vehicle (drone) was reportedly sighted in the area, reports The Tribune. The alert troops of the 73 Battalion of the Border Security Force (BSF) patrolling near the International Border (IB) fired indiscriminately in the air after they heard the sound of movement of drones at 1 am. However, it managed to return taking the advantage of foggy conditions.