KOKRAJHAR, May 28: The 135 Battalion of the Eco Task Force (ETF) of Army, presently engaged in the re-plantation in Chirang reserve forest in Kokrajhar district, has seized at least 15 cubic feet of timber which was illegally brought from deep inside the Chirang reserve forest at Lumsung today at around 1.45 p.m. The smugglers, however, fled at the sight of the the vehicle.