Security agencies carried out a search operation on Tuesday near the Pathankot airbase and the Mamoon army cantonment following intelligence inputs about suspected anti-national elements in the area, police said.
The search operation was carried out by Army soldiers, paramilitary force troopers and Punjab police personnel.
Shops and some other establishments near the Pathankot airbase were asked to shut down.
The area near the frontier airbase was sealed during the search operation.
"There were intelligence inputs of suspicious elements in the area following which the search operation was carried out," a police officer told IANS.
The Pathankot airbase was attacked by suspected Pakistani terrorists on January 2 last year.
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