TOKYO - Survivors of the 1945 U.S. atomic bombings of Hiroshima and Nagasaki and their mayors expressed disappointment Saturday after a review conference for the nuclear nonproliferation treaty ended yet again without a consensus document.

Officials participating in the monthlong conference in New York failed to overcome disagreements Friday chiefly over the Iranian nuclear program, despite the conference president negotiating with countries including Iran and the United States, one of the five nations allowed to possess nuclear weapons under the treaty.

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