11 of 20: Free Syrian Army fighters sit in a house on the outskirts of Aleppo, Syria, Tuesday, June 12, 2012. On Tuesday, Syrian forces pelted the eastern city of Deir el-Zour with mortars as anti-government protesters were dispersing before dawn Tuesday, killing several people, activists said. The offensives were part of an escalation of violence in recent weeks that has brought more international pressure on President Bashar Assad's regime faces over its brutal tactics against the opposition. The U.N. accused the government of using children as human shields in a new report. (AP Photo) (AP Photo/ Anonymous)

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