An occasion to rethink nuclear policy

> Japan is the only country to have suffered atomic attacks, in 1945 > The bombings claimed the lives of 140,000 people in Hiroshima and 74,000 in Nagasaki. > The anniversary came after Japan sided last month with nuclear powers Britain, France and the US to dismiss a UN treaty banning atomic weapons > Japanese officials have criticised the UN Nuclear Weapon Ban Treaty as deepening a divide between countries with and without nuclear arms.