US secretary of state calls blocking of UN official from nuclear site an 'unwarranted act of intimidation,' says alarmed by Tehran's 'lack of adequate cooperation'

After Tehran says it briefly held official over alleged alarm she set off, statement urges Islamic Republic to 'ensure that no such incidents occur in the future'

As 2015 atomic deal crumbles, officials say Islamic Republic harassed IAEA official at Natanz site

Tehran says measure aimed at pressuring European powers to find way around crippling US sanctions imposed after Trump pulled out of nuke deal

Foreign minister says Israel 'crying wolf,' points to 2002 deposition in which prime minister urged Congress to remove Iraq's Hussein; UN envoy accuses US of breaking NPT

Blue and White leaders tear into Netanyahu for revealing alleged nuke site eight days before election; PMO officials say move was urged by national security officials

In new disclosure, PM shows facility south of Isfahan, which he says was demolished and covered up, once Tehran realized it had been compromised

International Atomic Energy Agency says Cornel Feruta's visit is part of its 'ongoing interaction' with Tehran and to monitor compliance with endangered 2015 nuclear pact

IAEA's chief coordinator and Argentine envoy to agency considered frontrunners to replace Yukiya Amano after his death last week

Head of atomic research institute calls IAEA inspectors 'roaches' that should be barred from the country; says Iran should not limit its research