As Iran threatens to completely bolt the nuclear deal, the US imposes more sanctions and bolsters its forces in the region, but then Trump says he's waiting for Tehran to call

Ayatollah Yousef Tabatabai Nejad warns Iran's supreme leader could order attack on American forces 'if they attempt any move'

Amid rising tensions and American military reinforcement in the region, deputy head of Revolutionary Guards rules out talks with 'unreliable' Washington

US has said it is sending bombers to counter Tehran, though no details have been provided

US president says he sent aircraft carrier group to the Persian Gulf because Iranians 'were threatening,' tells reporters 'we have information that you don't want to know about'

Lebanese terror group says US ignores international law, follows 'law of the jungle' amid escalating row between Washington and Tehran

Iranians have threatened to undermine 2015 pact by restarting uranium enrichment if world powers fail to negotiate new terms. Will Washington's tough posturing pay off?

US measures on all trade of Iranian iron, steel, aluminum and copper come hours after Islamic Republic partially left nuclear deal, threatened to step up uranium enrichment

As White House escalates tensions, Democratic senators and groups call for legislation disallowing an attack on Iran without Congressional approval

Announcement by Trump aide comes hours after Tehran announced it was setting up possible return to high-level uranium enrichment