The dwindling number of witnesses to the world's first atomic bombing in Hiroshima were among those marking the 75th anniversary of the slaughter.

Iran Press/Asia: Hiroshima mayor Kazumi Matsui urged world leaders to more seriously commit to nuclear disarmament, pointing out Japan's failures.

In a speech, Mr Matsui highlighted what survivors feel is the hypocrisy of Japan's government, which hosts 50,000 American troops and is protected by the US nuclear umbrella.

On August 6, 1945, a US Army B-29 bomber dropped an atomic bomb on the Japanese city of Hiroshima by the order of the US President at that time Harry Truman.

Three days later, the United States dropped its second atomic bomb on the people of Nagasaki, Japan.

About 220,000 people died as a result of the two atomic bombings.

The atomic bombings of Hiroshima and Nagasaki, in Japan, are the only military uses of nuclear weapons in the world. The United States has never apologized for using these bombs.

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