Amritsar, Aug. 6 -- The National Investigation Agency (NIA) on Tuesday conducted searches at 19 locations across Punjab in connection with the terror grenade attack on a temple in Amritsar in March this year. The NIA teams seized several incriminating materials, including digital devices, during the searches carried out in the border districts of Amritsar, Gurdaspur and Batala. On the night of March 14, terrorists, backed by foreign-based handlers, had hurled a grenade at Thakur Dwara Sanatan Temple, Sher Shah Road, Amritsar. During investigation, NIA found that the attack was carried out by Gursidak Singh (now deceased) and Vishal Gill. "Gursidak was in contact with foreign, based handlers, radicalising youth to unleash terror in lieu of money and drugs," the NIA said. Gursidak and Vishal were involved in multiple instances of picking and dropping of grenades, weapons etc.,it added.HTC...