E3 states threaten sanctions on Tehran, as IAEA chief Grossi says Iran’s cooperation with inspectors is a ‘work in progress’.

The so-called E3 say they would trigger a clause of the 2015 nuclear deal to reimpose sanctions against Iran if it fails to comply.

Iran says committed to diplomacy as it looks to avoid crippling sanctions.

The return, amid ongoing tensions and stalled negotiations, marks a critical step in restoring oversight after Israel’s attacks.

E3 states threaten sanctions on Tehran, as IAEA chief Grossi says Iran’s cooperation with inspectors is a ‘work in progress’.

The three powers trigger a snapback process, which could restore sanctions in 30 days, amid ongoing concerns over Iran's nuclear programme.

Tehran will not bow to pressure despite the launch of the 30-day process to reimpose UN sanctions, a senior official responded.

E3 countries accuse Iran of failing to meet its 2015 nuclear pact commitments but say they are still open to diplomacy.

Iran's cooperation with the International Atomic Energy Agency is now under threat, with a lot riding on diplomacy over the next 30 days.

Europe’s move to re-impose UN sanctions against Iran will make nuclear diplomacy more difficult, experts say.