New Delhi, Aug. 6 -- Hiroshima on Wednesday marked the 80th anniversary of the U.S. atomic bombing of the western Japanese city, with many aging survivors expressing frustration about the growing support of global leaders for nuclear weapons as a deterrence.

With the number of survivors rapidly declining and their average age now exceeding 86, the anniversary is considered the last milestone event for many of them.

"There will be nobody left to pass on this sad and painful experience in 10 years or 20 years," Minoru Suzuto, a 94-year-old survivor, said after he kneeled down to pray at the cenotaph. "That's why I want to share (my story) as much as I can."

The bombing of Hiroshima on Aug. 6, 1945, destroyed the city and killed 140,000 p...