After clashes between protesters and security forces, Cairo's police erected walls to keep demonstrators away from the Interior Ministry. Street artists then painted this wall across Sheik Rihan Street. Mohammed Hossam/AFP/Getty Images hide caption

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Sudanese troops stand next to a burnt-out military vehicle in the oil center of Heglig after clashes with South Sudanese forces Wednesday. Recent fighting has raised fears of a renewed war. AFP/Getty Images hide caption

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A Bedouin guide makes his way down from Mount Sinai to the Greek Orthodox monastery of St. Catherine in Egypt's Sinai Peninsula. The Bedouins depend on tourism, but have been kidnapping visitors in recent months in an attempt to pressure Egypt's government. Mike Nelson/EPA/Landov hide caption

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An al-Shabab fighter displays a weapon during military exercises in northern Mogadishu, Somalia, in 2010. Mohamed Sheikh Nor/AP hide caption

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The leader of the junta that seized power in Mali, Army Capt. Amadou Sanogo, announces a curfew in the capital, Bamako, on Thursday, in this photo taken from television.The coup ousted an elected president who was due to step down after a new election next month in the West African nation. Issouf Sanogo/AFP/Getty Images hide caption

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Actor George Clooney is led away in handcuffs from Sudan's embassy in Washington, D.C., on Friday. Clooney, his father, Nick, and others including Democratic Rep. Jim Moran of Virginia and NAACP President Ben Jealous, were arrested as they demonstrated to bring attention to the humanitarian crisis in Sudan. The Washington Post/Getty Images hide caption

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Congolese warlord Thomas Lubanga (center) at the International Criminal Court in The Hague, Netherlands, where he was convicted Wednesday of war crimes, including recruiting child soldiers. Evert-Jan Daniels/AP hide caption

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The Egyptian national soccer team's American coach, Bob Bradley, attends his team's friendly match against Kenya in the Qatari capital, Doha, in February. The Egyptian team won 5-0. Karim Jaafar /AFP/Getty Images hide caption

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