All measures taken by Iran to scale back its commitments to a 2015 nuclear deal were “reversible” if the European signatories of the pact fulfilled their obligations, Foreign Minister Mohammad Javad Zarif tweeted on Sunday. Iran said on Sunday it is fully prepared to enrich uranium at...

Inspectors from the U.N. nuclear watchdog who are in Iran will report back once they have checked that Tehran has enriched uranium to a higher level of purity than that allowed under its nuclear deal, the agency said on Sunday. “We are aware of Iran’s announcement related to its uranium...

 Iran announced Sunday it will raise its enrichment of uranium, breaking another limit of its unraveling 2015 nuclear deal with world powers and further heightening tensions between Tehran and the U.S. Government spokesperson Ali Rabiei told a news conference that Iran will go beyond...

An Iranian religious scholar warned Britain Saturday about a retaliation by Tehran for the capture of an Iranian supertanker by Royal Marines in Gibraltar, according to the semiofficial Fars news agency. "I am openly saying that Britain should be scared of Iran's retaliatory measures over...