KABUL, AFGHANISTAN - MAY 21: Afghan security guards arrive after a suicide bomber killed at least six people and wounded 23 more at a military hospital May 21, 2011 in Kabul, Afghanistan. The bomb ... more 
KABUL, AFGHANISTAN - MAY 21: Afghan security guards arrive after a suicide bomber killed at least six people and wounded 23 more at a military hospital May 21, 2011 in Kabul, Afghanistan. The bomb went off in the cafeteria during lunchtime killing and injuring medical students and employees. The Taliban, who claimed responsibility, said they sent in two bombers to the ANA military hospital, which is in a heavily guarded area of the city. Kabul has remained relatively peaceful since early April when a suicide bomber attacked an Afghan army bus on the outskirts of the capital, wounding 10 soldiers and civilians. (Photo by Paula Bronstein/Getty Images) less 
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Getty Images | Photo By Paula Bronstein / Getty Images
Sat, May 21, 2011 9:23 AM EDT