Opposition leader, who as PM staunchly opposed initial agreement aimed at curbing Iran's ability to obtain atomic weapons, says revived pact is danger to entire world

Adviser to Supreme Leader Khamenei tells Doha Forum removal of IRGC from US terror list 'important to Iranian people,' no compromise will be made on issue

Comments come as bloc's talks coordinator heads to Tehran; Iranian top diplomat says removal of IRGC from US terror list remains a 'key demand'

Despite initial signs that agreement on revived accord is nearing, negotiators have yet to reconvene in Vienna, with hurdles remaining unclear

Washington said to demand Tehran publicly commit to Mideast de-escalation in return for taking Revolutionary Guard Corps off terror list; White House worried about domestic outcry

Move being mooted by US could set a worrying precedent, though some are convinced it's necessary in order to secure a deal to curb Iran's nuke program

Some 80 Congress members say it's 'unconscionable' to lift measures against hardline Iranian militia, which they warn threatens stability in the Middle East

Responding to reports that Washington readying to delist IRGC as terror group before JCPOA revival, State Department spokesman insists Biden committed to preventing nuclear Iran

PM says Americans are 'fully determined to sign deal. I do not get into quarrels just for the sake of quarrels'; but adds: US understands Israel won't be bound by accord

PM voices Israeli ire at ‘outrageous’ potential decision by Washington to delist IRGC as terror group under revived accord, says price will be 'too high'