Ukrainian staff say last power line down, but IAEA finds reserve line to thermal power station still works, sending electricity to grid; Erdogan offers to facilitate talks on plant

IAEA chief Grossi says physical integrity of Zaporizhzhia site was breached and that he gathered a 'lot of information,' amid fears shelling could cause nuclear disaster

As nuclear deal talks hit fever pitch, IAEA report seen by Reuters says Tehran continuing 5% enrichment on IR-6 centrifuges at its underground Natanz plant

IAEA staff aim to protect Zaporizhzhia plant, Europe's biggest, as top EU official accuses Russia of 'gambling with the nuclear security' by not demilitarizing the area

In Moscow, FM Hossein Amir-Abdollahian calls for end to IAEA's 'politically motivated probes,' highlighting key sticking point in ongoing negotiations

IAEA reports to its members that three cascades of advanced IR-6 centrifuges have been brought online at underground facility, according to Reuters

Nuclear watchdog team to arrive at facility later this week after requesting for months to visit site which sits on frontline of fighting between Russia and Ukraine

Western diplomats tell Politico the countries are planning a 'swap' scheme, providing Tehran with Russian oil in exchange for Iran selling its own oil to Russia's clients

Unnamed American source tells news agency sides closer to deal after Tehran forfeits key stipulations

Report, citing unnamed diplomat, says proposals put forward by EU to end stalemate are 'acceptable,' but Tehran still wants guarantees and to solve issues with atomic watchdog