Iran's Supreme leader says Trump lied about using power to ensure peace

Egyptian FM discusses US-Iran talks with Omani, Iranian counterparts, US envoy

Second round of US-Iran nuclear talks begin in Rome

Oman to mediate 2nd round of US-Iran nuclear talks in Rome

UN sees US-Iran nuclear talks as 'good sign': Spokesman

Iranian Foreign Minister says 'principle' of Tehran's uranium enrichment non-negotiable

Iran confirms Muscat to host second round of nuke talks with US

Iran says nuclear issue, sanctions focus of indirect talks with US in Oman

Iran and US set to hold 'indirect high-level talks' in Muscat

Iranian FM receives Trump's letter on nuke negotiations from UAE's envoy

Iran rejects nuclear talks 'under pressure' during Russian FM's visit to Tehran