Islamic militants are seizing more territory in Iraq as the U.S. weighs its response to the rebel advance.
Islamic Militants Advance in Iraq as US Weighs Response

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Iraqi Shiite tribal leaders chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL), in Baghdad, June. 13, 2014.

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People clean a street now under militant control, in the northern city of Mosul, June 13, 2014.

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Members of Iraqi security forces stand guard during an intensive security deployment in Kerbala, southwest of Baghdad, June 13, 2014.

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Volunteers who have joined the Iraqi Army to fight against the predominantly Sunni militants gesture from an army truck, Baghdad, June 13, 2014.