As accord teeters, Iranian president says Tehran will move to refine radioactive element beyond 2015 deal's 3.67% cap

Macron demands Tehran reverse its decision to violate nuclear deal, China 'regrets' Iranian move, but blames Trump

US national security adviser warns only purpose of increased production of enriched material is to reduce breakout time needed to produce nuclear weapons

Israel Katz says Tehran will suffer heavy blows in a conflict, Israel could act alone against nukes if needed

Experts downplay effectiveness of charm offensive and say even if Trump might want to engage Iran the same way he has North Korea, Tehran is not interested

Senior Russian official stands by Tehran's claim that US drone was shot down in Iranian airspace, defends rights of foreign troops to remain in Syria despite Israeli opposition

At Jerusalem summit with Israeli, Russian counterparts, Trump security adviser says talks possible if Tehran renounces nukes, ballistic missiles, terrorism

Iran’s efforts to entrench itself militarily in Syria and escalating tensions between Tehran and Washington expected to top agenda

Islamic Republic's foreign minister targeted with fresh sanctions, along with its supreme leader, Khamenei

At Jerusalem meet ahead of trilateral summit, Moscow's national security adviser promises to pay 'special attention to ensuring Israel's security'