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.
Tens of thousands in Hiroshima mourn the 70th anniversary of the United States' nuclear bomb attack against Japan.The attack was ordered by US President Harry S. Truman. He argued that the nuclear bomb was necessary to force Japan to surrender - and end World War II. But critics say the US should never have dropped the bomb, and 70 years on, opinions are still strongly divided. On Inside Story, we ask whether dropping the bomb was morally or militarily justified?
