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

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

French president urges easing sanctions while pressuring Iranians to negotiate a return; Russia calls on Tehran to uphold commitments to 2015 deal, blames US for situation

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

Head of the country's atomic energy agency says Iran will stay below 20% threshold; announcement comes as Tehran says it will restart centrifuges at underground Fordo plant

Both Brussels and Moscow urge return to collapsing nuclear accord, though Putin's office says it understand's Tehran's position

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

President Rouhani says uranium gas to be injected into 1,044 centrifuges at underground nuclear site

EU says it will wait for UN confirmation on Tehran's announcement of increased production, cautions that Europe's commitment to 2015 pact depends on Iranian compliance

Air Force chief says challenge of intercepting missiles becoming more complicated, days after Netanyahu accused Iran of seeking to target Israel with cruise missiles from Yemen