The BSF on Thursday foiled an attempt to smuggle in 26kg heroin at the Border Outpost (BOP) Shahpur under the Ajnala sector here.BSF DIG Punjab Frontier RS Kataria said that during search, 25 packets of heroin weighing 26 kg, a pistol, a pistol magazine loaded with six rounds, a Pakistan mobile and two Pakistani SIM cards were recovered.On Wednesday, a packet of heroin was recovered from an Indian farmer and his helper during frisking by the BSF troops deployed at Border Security Fence Gate No 87 in the area of BoP Fatahpur in Amritsar sector.During the wee hours of Thursday, it was because of the alertness of ASI Birender Singh of BoP Shahpur that such a big contraband was recovered.Around 2.30 am, Birender observed a suspicious movement between the border fence and Dhussi bundh. As he spotted two men fleeing towards the Indian side, he challenged them. But they fled while taking advantage of low visibility and thick vegetation.On Wednesday evening, the BSF squad deputed at Border Fence Gate No 87 recovered a packet of heroin (1 kg) from the air cleaner cavity of a tractor during checking. The accused has been identified as Sukhdev Singh, resident of Chhankala village in Amritsar who was driving the tractor back from the fields beyond the border fence, and helper Dilbag Singh, resident of Panjoria village in Amritsar. The BSF handed them over to police, said Kataria.