Srinagar, April 4 -- The multi-tier operation to track down three infiltrating terrorists, who escaped three encounters and are believed to be hiding in a forested area in Kathua, has entered its 12th consecutive day with security agencies also cracking down on "terrorist supporters" and setting up ambushes.

Additional troops have been deployed to beef up the multi-tier cordon and set up ambushes over a 6-7 km radius in the region.

"The combing operation has been going on. It is underway to track down terrorists on the run," said an officer.

The search operation was intensified with aerial surveillance, including the use of choppers, UAVs, and sniffer dogs. Teams comprising joint operations of the army, NSG, police, SoG, CRPF, and BSF ar...