The diplomatic chiefs of the EU, France, Germany and Britain on Tuesday said they were "extremely concerned" following Iran’s decision to breach a limit on enriched uranium reserves under the 2015 nuclear deal with world powers, AFP reports.

"We urge Iran to reverse this step and to refrain from further measures that undermine the nuclear deal," said the joint statement signed by EU diplomatic chief Federica Mogherini and the three countries' foreign ministers -- France's Jean-Yves Le Drian, Germany's Heiko Maas and Britain's Jeremy Hunt.


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