US secretary of state says simply returning to agreement will not be sufficient given the progress Iran has made; Iran foreign ministry spokesman: Date will be set in a few weeks

Report says move was brought up during indirect Vienna negotiations, as part of American compromises to get Iran to return to the 2015 deal

Rouhani's chief of staff says Washington willing to lift limitations on oil, shipping sectors and some senior officials close to Khamenei; no announcement on matter from US

Supreme leader now looks to close Vienna talks and have sanctions lifted, while moderates can still be blamed for concessions to West

Vienna talks not expected to yield major breakthrough before June 18 Iranian elections

Diplomats say complicating factors include order of proposed measures, dealing with advances in Iran’s nuclear processing capability and presidential election in Iran

Recording surfaced 2 months before Iran's presidential election and amid indirect talks aimed at restoring 2015 nuclear deal

Fire injures at least 2; incident comes amid escalating tensions with Israel, which Tehran has blamed for an earlier blast at Natanz nuclear plant

Moscow refuses to comment on the leaked remarks from Iran's top diplomat, as world powers try to salvage 2015 deal