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Photo by: Lutfallah Daher

U.N. peacekeepers gesture as Israeli troops patrol the border fence in the southern border village of Adaisseh, Lebanon, Tuesday, Aug. 3, 2010. Lebanon and Israeli troops exchanged fire on the border Tuesday in the most serious clashes since a fierce war four years ago, and Lebanon said at least two of its soldiers were killed in shelling, authorities said. (AP Photo/Lutfallah Daher)

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