New Delhi, June 17 -- The National Investigation Agency (NIA) on Tuesday attached a house in Punjab's Amritsar linked to a Lashkar-e-Taiba (LeT) operative, identified as Ankush Kapoor, in connection with a 2020 transnational narco-terror network case, in which 500 kilograms of heroin was smuggled from Pakistan into Gujarat via the sea route to further transport to Punjab, people familiar with the development said. The drugs were aimed at financing the operations of LeT, they added. The property - House No. 33, Holy City, Holy Enclave Phase-I in Amritsar - has been attached under section 25 of the Unlawful Activities Prevention Act or UAPA as the "proceeds of terrorism," the federal agency said in a statement. "The property was registered in the name of the father of accused Ankush Kapoor - a key operative in India of the narco-terror network spread across Italy, Australia, Iran, Thailand, UAE and Pakistan among other nations. NIA's investigations had revealed Kapoor's links with a Dubai-based accused connected with the proscribed terrorist organisation, Lashkar-e-Taiba," the agency said. Ankush Kapoor was arrested last year. The National Investigation Agency said he "was found to be a key operative of the conspiracy relating to smuggling, transportation, storage and distribution of narcotic substances....