BANGA, South Cotabato - Military authorities unearth in a remote village here explosives and other war materials buried by suspected communist New Peoples Army, the Army, in a report, said.Acting on a tip by a civilian informant, elements of the Banga PNP and 27th Infantry Battalion, dugged an area in Sitio Lambontong Odi, Brgy Lambingi, Banga.A report from the 1002nd Infantry Brigade said recovered were twoM-79 grenade launcher, two claymore landmines, three improvised explosive devices and eight detonating devices.