MEERUT, Oct. 17 -- The police have invoked the National Security Act (NSA) against Mulla Afroz, the alleged mastermind behind last year's communal violence in Sambhal over a court-ordered survey of a Mughal-era mosque in the district. "In view of maintaining public order and preventing recurrence of such incidents, action under the National Security Act has been taken against Mulla Afroz," a statement said. National Security Act proceedings will also be initiated against Ghulam and Waris, both associates of Afroz, who were allegedly involved in the firing, said officials. During the chaos, Afroz, Ghulam and Waris allegedly opened fire using foreign-made weapons, resulting in the deaths of Ayaan (Kotgarhi resident), Naeem, Kaif (Turtipur Ilha resident), Bilal (Saray Tarin resident) and Roman (Hayatnagar resident), said superintendent of police KK Bishnoi....