Leader calls Trump 'a mercenary of Zionist regime'; says controversial recording of foreign minster Zarif complaining of Soleimani's power was leaked to sow 'discord'

Iran's top diplomat bemoans airing of 'theoretical talk' featuring criticism of slain general Qassem Soleimani; Rouhani says leak aimed at sowing 'discord' during nuke deal talks

Rouhani-ordered investigation seeks to identify who released 'stolen' three-hour recording that has sparked anger among country's conservatives

Ongoing covert actions against Tehran's nuclear program risk causing a rupture with Biden while unlikely to stop a new agreement that both Washington and Tehran want

But EU chief negotiator says 'much more hard work' needed to rescue 2015 deal; top Israeli security officials to head to US to lobby for improvements to the pact

Top Iranian atomic official and parliament speaker announce development, five days after Natanz attack -- blamed on Israel -- reportedly destroys thousands of centrifuges

But as parties meet in Vienna, EU diplomat says Iranian move to further enrich uranium 'puts pressure on everyone'

Khamenei says Vienna offers 'not worth looking at' after hiking uranium enrichment in response to alleged Israel attack on Natanz plant, with tensions skyrocketing

UN agency confirms Natanz facility will begin increasing operations shortly, days after sabotage said to have damaged thousands of centrifuges

Two leaders hold call on Jerusalem's Middle East moves, normalization agreements, report says, as tensions climb on several fronts