Ari Beser’s grandfather was on the two American B-29 bombers that dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki in August 1945.

The Japanese city of Nagasaki on Saturday commemorated the victims of the atomic bombing 80 years ago, as global concerns over the threat of nuclear conflict continue to grow. At a ceremony marking the anniversary of the US atomic bombing of Nagasaki,

TOKYO -- The atomic bombings of Hiroshima on August 6, 1945, and Nagasaki three days later brought a scale of destruction the world had never seen. Many who survived the blasts died in the weeks, months and years that followed. Japan surrendered six days after the Nagasaki bombing, bringing an end to World War II.