UN nuclear watchdog tells member states Islamic Republic has started using a third cluster of advanced IR-2m centrifuges at underground Natanz plant

French leader tells Saudi TV any new nuclear negotiations will be 'very strict,' must include Riyadh; Tehran warns France against 'hasty and ill-considered positions'

Tehran's top diplomat once again insists US must return to deal before Iran does, as Turkish counterpart expresses hope for sanctions removal

New equipment to be set up at Natanz enrichment plant; Iranian official says its scientists have exceeded expected output of enriched uranium

France, Germany and UK say announcement by Tehran violates nuclear deal, reiterate commitment to 2015 pact

IAEA says Tehran is using advanced technology at underground Natatz plant prohibited by 2015 nuclear agreement with world powers

Threat follows NY Times report that US president last week weighed military options, but was dissuaded by aides; Pompeo, present at those talks, to arrive in Israel on Wednesday

New York Times reports president asked top advisors if he had options to hit main Iranian nuclear sites to halt enrichment, but was warned it could lead to wider conflict

New images show road has been built; analysts believe new facility to be built inside mountains, months after reported sabotage

IAEA says centrifuge structure meant to replace Natanz plant hit by mysterious explosion over summer; Tehran had promised to replace site with more secure one in mountains