A total of 272 Pakistani drones were seized in Punjab till November 30 this year, IPS Dr Atul Fulzule, IG Punjab BSF, said on Sunday. The BSF also seized 10 kilograms of explosives, 12 hand grenades and over 367 kilograms of heroin and arrested 18 Pakistanis, 3 Bangladeshis and 4 Nepali people this year. Three Pakistani intruders were also neutralised.