Hiroshima and Nagasaki atomic bombs: a timeline of events and remembrance events taking place this month

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