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NEW YORK (AP) - The U.N. nuclear chief says Iran is not cooperating with an investigation into suspected secret work on nuclear weapons.
Yukio Amano told the U.N. General Assembly on Monday that talks between the International Atomic Energy Agency and Iran have intensified this year.
"However, no concrete results have been achieved so far," he said.
In his annual report to the world body, Amano says he also remains "seriously concerned" about North Korea's nuclear program, calling its statements about uranium enrichment activities and the construction of a light water reactor "deeply troubling."
He also urges the Syrian government to respond to questions about a building destroyed by Israeli warplanes in the Syrian desert in 2007 which the IAEA says was "very likely" the covert site of a nuclear reactor.
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