IAEA chief Grossi says talks with Tehran are taking place in an ‘atmosphere of honesty and cooperation’
IAEA report says Iran modified interconnection between centrifuge clusters enriching uranium to up to 60%
Tehran has ramped up its uranium enrichment up to 60%, up from 3.67% allowed under nuclear deal
Iran says it sees no point reviving 2015 nuclear pact without guarantees that US would not withdraw again
We stand ready to conclude the negotiations in a short order, says top Iranian negotiator
For Tehran, unfavourable alternative could be war in region where geopolitical shifts may evolve into US-led alliance
The 2015 deal gave Iran sanctions relief in exchange for curbs on its nuclear programme
Nearly a year of negotiations brought the parties close to renewing the landmark 2015 accord
Iranian chief negotiator returns to Vienna on Wednesday after holding consultations in Tehran
I expect an agreement in the coming week, says senior official