A Syrian soldier points his machine gun at no man's land separating Syria from Iraq in this November 10, 2007, file photo. Syria says it has stepped up security on the frontier after U.S. criticism that it was allowing foreign fighters into Iraq, but diplomats on a rare tour of the border said more measures were needed and the troops should be better equipped. Picture taken November 10, 2007.To match feature SYRIA-IRAQ-BORDER/ REUTERS/Khaled al-Hariri/Files (SYRIA)