Eighty years after Hiroshima and Nagasaki, ageing survivors are urging the world to remember what was lost – and to imagine a future without nuclear weapons.View on euronews

Following are some facts about the bombing of the Japanese city of Hiroshima and a second attack on Nagasaki three days later -- the only times nuclear weapons have been used in war. Japan surrendered on Aug. 15, 1945, ending its role in World War Two.

It's been exactly 80 years since an atomic bomb was used in war for the first time. The bombing of the western Japanese city of Hiroshima, followed by the bombing of Nagasaki three days later, led to Japan's surrender and the end of World War II.