NDFB’ anti-talk faction trigger two grenade blasts in Chirang district a day before the Independence Day on Wednesday. The militants triggered two grenade blasts and two improvised explosive devices were recovered. No injury or casualty was reported. The grenade blasts took place in Chirang district around 8.40 am. Security arrangements had been reviewed and additional forces have been deployed at vital installations like oil fields, refineries, airports and along the railway tracks and stations.