Hiroshima vows nuke ban at 77th memorial amid Russia threat

U.N. Secretary General Antonio Guterres lays a wreath at the cenotaph for the atomic bombing victims at the Hiroshima Peace Memorial Park during the ceremony marking the 77th anniversary of the atomic bombing in the city. (Kenzaburo Fukuhara/Kyodo News via AP)

Japan’s Prime Minister Fumio Kishida delivers a speech during the ceremony marking the 77th anniversary of the Aug. 6 atomic bombing in the city, at the Hiroshima Peace Memorial Park in Hiroshima, western Japan Saturday. (Kenzaburo Fukuhara/Kyodo News via AP)

Doves fly over the cenotaph dedicated to the victims of the atomic bombing during the ceremony marking the 77th anniversary of the world's first atomic bombing, at the Hiroshima Peace Memorial Park in Hiroshima, western Japan Saturday, Aug. 6, 2022. (Kyodo News via AP)

TOKYO — Hiroshima on Saturday remembered the atomic bombing 77 years ago as officials, including the head of the United Nations, warned against nuclear weapons buildup and as fears grow of another such attack amid Russia’s war on Ukraine.