Iran's top negotiator and civilian nuclear chief both indicate nothing has been agreed on, previous rounds of nuclear talks can be renegotiated

Rafael Grossi says he 'could not agree' on points of contention during meetings in Tehran

Grossi says he hopes to address 'outstanding issues' with Iranian officials ahead of nuclear talks restarting

UN agency in September estimated that Islamic Republic has 84.3 kilos of uranium enriched to that level

Iranian atomic agency chief tells IAEA that Karaj site was 'severely damaged' in June attack that Tehran previously said it thwarted

Announcement buys time for Tehran ahead of watchdog meeting this week where Western powers were set to argue for Tehran to be censured over its lack of cooperation

Mohammad Eslami was blacklisted for ‘being engaged in, directly associated with or providing support for Iran’s proliferation of sensitive nuclear activities’