Confidential IAEA report reveals Tehran has tripled its stockpile of enriched uranium in violation of nuclear deal; agency head demands 'clarifications' on site flagged by Israel

New International Atomic Energy Agency head Rafael Grossi ready to taker a harder attitude toward non-compliance with 2015 deal, diplomats say

Rafael Grossi says he'll continue pressing Tehran about uranium particles found at Turquzabad facility described by Netanyahu last year as a 'secret atomic warehouse'

Rafael Grossi is unanimously confirmed as new IAEA leader, says inspections on Tehran's facilities should be done 'in firmness, but in fairness as well'

Rafael Grossi, praised for his energy, experience and innovation, takes over IAEA Monday, with landmark JCPOA teetering and Tehran hurtling toward restarting nuke program

Foreign ministry says it's 'ready to maintain and expand interaction and cooperation' with the International Atomic Energy Agency after Rafael Grossi takes the helm

Diplomat elected to succeed late IAEA director-general Yukiya Amano has vowed to be 'firm but very fair' in dealing with Iran

Rafael Grossi reportedly secures backing from US, Brazil and 18 others, but still shy 3 votes; agency, tasked with overseeing Iran nuclear deal, to vote this week on new leader