In Pictures: Sinkholes around the world
In Pictures: Facing the devastation of the Oklahoma tornadoes
Photos of the Day: Photos of the day 05/20
In Pictures: Weather extremes 2013
In Pictures: The Israeli separation barrier: A West Bank wall
In Pictures: Derby Day devotees, Kenyan style
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Anti-NATO protesters form a barricade in front of mounted police officers during a march on May 19, 2012, in Chicago. On May 20, the start of the two-day NATO summit, thousands of protesters marched to the McCormick Place convention center, where NATO delegates will be meeting. John Minchillo/AP
President Obama (r.) shakes hands with Afghan President Hamid Karzai during their meeting at the NATO Summit in Chicago on May 20, 2012. Karzai thanked Americans for the help their 'taxpayer money' has done in Afghanistan. Pablo Martinez Monsivais/AP
Demonstrators flow out of Grant Park in Chicago during this weekend's NATO summit on May 20, 2012 in Chicago. Charles Rex Arbogast/AP
A woman asks for calm as she stands in front of a row of riot police during an anti-NATO protest march in Chicago on May 20, 2012. Baton-swinging police officers clashed with anti-war protesters at the start of the NATO summit on May 20, beating some and dragging others away. Andrew Kelly/Reuters
A protester, covered in silver paint, takes part in an anti-NATO protest march in Chicago on May 20, 2012. Andrew Kelly/Reuters
A police officer wrestles with the hand of a NATO protester who refused to let go of her bicycle on May 19, 2012, in Chicago. Security has been high throughout the city in preparation for the NATO summit, where delegations from about 60 countries discussed the war in Afghanistan and European missile defense. John Minchillo/AP
President Obama (c.) talks about American football to European world leaders during the NATO family photo at Soldier Field at the NATO Summit in Chicago on May 20, 2012. Pablo Martinez Monsivais/AP
Demonstrators prepare to march through downtown Chicago during the weekend's NATO summit on May 20, 2012. Charles Rex Arbogast/AP
Leaders take part in the meeting on Afghanistan at the NATO Summit meeting in Chicago on May 21, 2012. Jim Young /AP
Demonstrators clash with police during an anti-NATO protest march in Chicago on May 20, 2012. Eric Thayer /Reuters
A protester is detained by police at a march and rally during this weekend's NATO summit in Chicago on May 20, 2012 in Chicago. According to CNN, 45 people were arrested and police and protesters clashed. Paul Beaty/AP
Members of National Nurses United rally at a NATO summit demonstration on May 18, 2012, in Chicago. Thousands of nurses and other protesters gathered for the noisy but largely peaceful demonstration with a broad spectrum of causes, from anti-war activists to Occupy protesters to a Chicago Women’s AIDS project. Nam Y. Huh/AP
Demonstrators line up before an anti-NATO protest march in Chicago on May 20, 2012. Eric Thayer/Reuters
A demonstrator holds up a sign in front of police during an anti-NATO protest march in Chicago on May 20, 2012. Eric Thayer/Reuters
Afghan National Army (ANA) soldiers conduct a patrol outside the village of But Khak on the outskirts of Kabul, Afghanistan, May 15, 2012. At a summit in Chicago, leaders of the 28-nation alliance met to plan the NATO-led hand over command to Afghan forces and for the withdrawal of most of the 130,000 foreign troops by the end of 2014. Omar Sobhani/Reuters
In Pictures: Sinkholes around the world
In Pictures: Facing the devastation of the Oklahoma tornadoes
Photos of the Day: Photos of the day 05/20
In Pictures: Weather extremes 2013
In Pictures: The Israeli separation barrier: A West Bank wall
In Pictures: Derby Day devotees, Kenyan style
Photos of the Day: Photos of the day 05/16
In Pictures: Dazzle like Beckham
Philip Hammond said today that Europe needs to take greater responsibility for its own security and be ready to act abroad. But NATO will have to become more efficient first, he warned.
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