Srinagar, March 27 -- The multi-tier combing operation launched by security forces to track down a group of infiltrating terrorists continued for the fourth consecutive day on Wednesday in forest areas of Kathua district.Official sources said the search operation is concurrently underway in multiple areas from Sanyal to Ding Amb and beyond, covering several kilometers.The operation involving the army, NSG, BSF, police, Special Operation Group, and CRPF armed with technical and surveillance equipment, is supported by helicopter, UAVs, drones, bulletproof vehicles, and sniffer dogs.Security agencies have questioned several persons in various areas and picked up three suspects for questioning, they said.During the search operation on Tuesday...