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Photo by: Bilal Hussein

Lebanese Army soldiers monitor clashes that erupted between supporters and opponents of the Syrian regime on Oct. 22, 2012, in the northern port city of Tripoli, Lebanon. Lebanese troops launched a major security operation to open all roads and force gunmen off the streets, trying to contain an outburst of violence set off by the assassination of a top intelligence official who was a powerful opponent of Syria. (Associated Press)

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