India, Jan. 16 -- Deputy Inspector General of Police, Shiv Kumar Sharma on Thursday said fog poses a major security challenge as he reached out to security personnel deployed on the ground in the twin border districts of Samba and Kathua.

Sharma said that information about the sighting of suspicious persons were received on Wednesday, following which a response operation was immediately launched. "Multiple teams have been deployed and are currently searching the area. The operation is still ongoing," he said.

The DIG said the inputs came from local sources and the ground intelligence network is actively working.

Highlighting anti-terror operations in the region, the DIG said a large-scale search operation has been launched following cred...