Zaporizhzhia facility under Russian control since early weeks of Moscow's invasion; Grossi says UN watchdog trying to send mission

UN nuclear chief Rafael Grossi urges more transparency from Tehran, says 'good words' not enough

Mohammad Eslami says 2015 nuclear deal was supposed to remove any suspicion Iranian program is not entirely peaceful, and as long as accusations persist, monitoring will be stopped

'The Americans must accept some commitments. We do not want an agreement at any price,' Hossein Amir-Abdollahian says

Rafael Grossi says project 'has grown enormously, far beyond what it was in 2015,' as Tehran creates new difficulties and negotiations remains stalled

IAEA chief Grossi says Iran using a special setup that allows it to swiftly switch between enrichment levels; Tehran reportedly has 43 kilograms of uranium enriched to 60% purity

New units allow Iranians to switch between uranium purity levels more easily, papers obtained by foreign media say, as negotiations to restore 2015 deal remain stuck

EU's Josep Borrell announces renewal of stalled negotiations during surprise trip to Tehran; US envoy: 'We remain committed to the path of meaningful diplomacy'

Tehran informs nuclear watchdog that it has begun process to set in motion a second cluster of advanced centrifuges at secret underground site

Tehran says if Washington ends sanctions, the sides can 'certainly and quickly' finalize agreement; says its decision to disconnect IAEA cameras was 'proportionate and decisive'