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The Boston Globe

World

‘Lots of work to do’ in nuclear talks, Iranian official says

GENEVA — With a boost from Russia and China, Secretary of State John Kerry mounted a major diplomatic push Friday to reach an interim nuclear deal with Iran, despite fierce opposition from Israel and uncertainty in Congress.

But day-long talks, including a five-hour meeting that brought together Kerry and Iranian Foreign Minister Mohammad Javad Zarif, failed to resolve differences. Iran’s chief nuclear negotiator, Deputy Foreign Minister Abbas Araghchi, described the late-night session as ‘‘productive’’ but added, without elaboration, that ‘‘we still have lots of work to do’’ and talks would continue Saturday.

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