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Photo by: Muhammed Muheisen

An anti-government demonstrator hurls a stone at supporters (not pictured) of the Yemeni government during clashes in Sanaa, Yemen, on Saturday, Feb. 19, 2011. Hundreds of Yemenis began demonstrating early in the day outside the university in Sanaa demanding the ouster of the country's longtime ruler as they marched toward the Justice Ministry. "The people want the ouster of the regime," they chanted. (AP Photo/Muhammed Muheisen)

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