Japan's marking a tragic anniversary today - 70 years ago an atomic bomb was dropped by US forces on Hiroshima. Tens of thousands attended a solemn ceremony in the city's Peace Park near the epicentre of the attack and observed a minute's silence. The bombing of Hiroshima and then of Nagasaki led Japan to surrender in WWII, but it cost tens of thousands of lives. READ MORE: http://on.rt.com/6oin

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