Iran and the United States are struggling to overcome divisions on three major issues in indirect talks on revival of a 2015 nuclear deal while months of negotiations have entered a crucial stage. .
Russia s Envoy to talks on reviving Iran s 2015 nuclear deal said, on Friday, they had resumed in a serious atmosphere, even as few expect a breakthrough compromise while Tehran s disputed uranium e.
The European Union and Iran announced Saturday that nuclear talks will resume in the "coming days", after a surprise visit by the bloc s foreign policy chief.