Ethiopians Briefly Occupy Buffer Zone Security Council Warns Both Sides By Tsegaye Tadesse Reuters Friday, November 25, 2005 ADDIS ABABA, Ethiopia, Nov. 24 -- The United Nations said Thursday that Ethiopian troops had occupied a demilitarized buffer zone set up to separate Ethiopian and Eritrean armies, but the soldiers left after U.N. peacekeepers intervened. Ethiopian forces occupied the eastern