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Hiroshima marks 73rd anniversary of atomic bombing in WWII

Japan's Prime Minister Shinzo Abe (3rd L) offers a silent prayer during the 73rd anniversary memorial service for the atomic bomb victims at the Peace Memorial Park in Hiroshima on August 6, 2018. | AFP PHOTO / JIJI PRESS / JIJI PRESS / Japan OUTJIJI PRESS/AFP/Getty Images

Japan's Prime Minister Shinzo Abe (3rd L) offers a silent prayer during the 73rd anniversary memorial service for the atomic bomb victims at the Peace Memorial Park in Hiroshima on August 6, 2018. | AFP PHOTO / JIJI PRESS / JIJI PRESS / Japan OUTJIJI PRESS/AFP/Getty Images

TOKYO — Hiroshima has marked the 73rd anniversary of the Aug. 6, 1945, atomic bombing with a somber ceremony to remember the people killed and injured and a call to eliminate nuclear weapons amid hopes of denuclearizing North Korea.

Mayor Kazumi Matsui raised concerns in his peace address Monday about the rise of egocentric policies in the world and warned against the idea of nuclear deterrence as a threat to global security. Matsui urged leaders to steadily work toward achieving a world without atomic weapons.

The anniversary comes amid hopes to denuclearize North Korea after its pledge to do so at the Singapore summit in June.

The U.S. attack killed 140,000 in Hiroshima and the Nagasaki bombing killed 70,000 three days later, with Japan soon surrendering to end World War II.