Report appears to confirm Netanyahu's revelations about 'secret atomic warehouse'; UN agency verifies enrichment at Fordo facility, says Tehran violating stockpile limits

Ali Akbar Salehi says production of low-enriched uranium increasing after operations at Fordo underground site resumed; Rouhani: Nuke deal could open up international arms sales

Tehran's decision to reactivate the secret underground uranium enrichment facility is meant to pressure the US to repeal sanctions, but could provoke an Israeli strike

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

Halting uranium enrichment at the heavily fortified Fordo was a major victory for the 2015 nuke deal; its reopening is seen as a dramatic bid by Tehran to leverage sanctions relief

Where the accord now stands, with Tehran taking another step away from the 2015 agreements to curb its nuclear development

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

After Prince Abdulaziz bin Salman announces plans, US deputy energy secretary urges kingdom to sign pledge to not pursue such processing

International Atomic Energy Agency says looking into reports Tehran began injecting uranium gas into advanced centrifuges in breach of 2015 nuclear pact with world powers

Tehran has threatened to further step back from 2015 nuclear deal if negotiations with Europe yield no results