Bombs have exploded in cities across Iraq in one of the country's deadliest waves of violence this year.
Bombs Kill Shi'ite Pilgrims Across Iraq
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Residents gather at the site of a bomb attack in Kirkuk, Iraq, June 13, 2012.
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A burnt vehicle is removed from the site of a bomb attack that killed Shi'ite pilgrims making their way to a religious festival in Baghdad, Iraq, June 13, 2012.
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Residents gather at the site of a car bomb attack that killed Shi'ite pilgrims making their way to a religious festival in Baghdad, Iraq, June 13, 2012.
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People inspect the scene of a car bomb attack in the Karrada neighborhood of Baghdad, Iraq, June 13, 2012.