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Japanese people burn incenses and pray in front of a monument for atomic bomb vicitims at the Hiroshima Peace Memorial Parkon August 6, 2012 in Hiroshima. Japan. Japan marks the 67th anniversary of the first atomic bomb that was dropped on Hiroshima by the United States on August 6, 1945, killing an estimated 70,000 people instantly with many thousands more dying over the following years from the effects of radiation. Three days later another atomic bomb was dropped on Nagasaki, ending World War II. (Photo by Buddhika Weerasinghe/Getty Images)

Hiroshima marks anniversary of A-bomb attack

Japan marked the 67th anniversary of the world's first atomic bomb attack with a ceremony Aug. 6 that was attended by a grandson of Harry Truman, the U.S. president who ordered the bomb dropped on the city of Hiroshima.