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The Boston Globe

World

Iran accused of deception and delay by US envoy

VIENNA — A senior US envoy accused Iran of ‘‘deception, defiance, and delay’’ on Wednesday in dealing with international concerns about its nuclear activities, reflecting frustration over Tehran’s expanding uranium enrichment program and stalled UN attempts to determine whether Tehran has worked secretly on atomic arms.

Joseph Macmanus, the chief US delegate to the International Atomic Energy Agency, also suggested the United States might push for tougher diplomatic action in coming months.

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