Libyan protesters burn a replica of the U.S. flag on Monday during a demonstration against the capture of Abu Anas al-Libi. U.S. forces seized him Saturday in the Libyan capital Tripoli. He is accused of involvement in two U.S. embassy bombings in Africa in 1998 and is being held on a U.S. Navy ship in the Mediterranean Sea. Esam OmranAl-Fetori/Reuters/Landov hide caption

itoggle caption Esam OmranAl-Fetori/Reuters/Landov

Pakistani rescue workers, police officers and civilians look for people who were wounded and killed at the site of a car bomb explosion in Peshawar, Pakistan, Sunday. Mohammad Sajjad/AP hide caption

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Kenyan police officers take cover outside the Westgate mall in Nairobi on Monday. Simon Maina /AFP/Getty Images hide caption

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Kenyan soldiers outside the Westgate shopping mall in Nairobi on Monday. Inside, attackers had killed dozens of shoppers, wounded more and it was feared they also had hostages. Daniel Irungu /EPA/Landov hide caption

itoggle caption Daniel Irungu /EPA/Landov

A Yemeni soldier searches a car near the airport in the capital, Sanaa. The United States has ordered Americans to leave Yemen immediately amid a warning of a possible attack. Mohammed Huwais/AFP/Getty Images hide caption

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A Yemeni soldier stands guard Tuesday near Sanaa International Airport. Mohammed Huwais /AFP/Getty Images hide caption

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An army trooper sits beside a machine gun that is mounted on a patrol vehicle at a checkpoint in Sanaa, Yemen. Security is tight in the capital amid warnings about possible terrorist attacks. Khaled Abdullah /Reuters /Landov hide caption

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A checkpoint leading to the closed U.S. Embassy compound in the Yemeni capital, Sanaa, on Saturday. Mohammed Huwais /AFP/Getty Images hide caption

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A Nov. 23, 2010, photo shows Michael Adebolajo (center, in dark T-shirt) with suspected Al-Shabab recruits who were arrested by Kenyan police. Adebolajo, one of the main suspects in the brutal murder of a soldier in London, was discharged from the hospital Tuesday. AFP/AFP/Getty Images hide caption

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As Ian Rigby spoke Friday about his stepson Lee, a British soldier who was murdered on a south London street this week, the young man's widow, Rebecca (right), and his mother, Lyn, reached out. Dave Thompson /Reuters /Landov hide caption

itoggle caption Dave Thompson /Reuters /Landov