In a fresh spurt in violence , activists of the outlawed National Democratic Front of Bodoland (NDFB) brutally gunned down eight timber smugglers, belonging to a particular minority community, at Mandapara under Gauripour police station in Shubri district at 7 a. m. today. While seven of them died on the spot, another succumbed to his injuries on way to the Dhubri civil hospital.