Foreign Minister Mohammad Zarif, visiting Japan, insists his country is within its rights to threaten an increase in uranium enrichment in response to US sanctions

Russian leader meets US Secretary of State in Sochi, insists Iranians have been fulfilling their part of 2015 pact, but warns agreement is 'falling apart' and Europe can't save it

Visiting Tokyo Iranian foreign minister says Tehran still committed to nuclear deal and continues to be in compliance

As America issues dire warnings about Iran, many elements resemble the lead-up to the 2003 Iraq War, not least among them the Israel factor

Berlin says 'no concrete threat' against its forces in the region, but decision comes after State Department orders non-emergency US embassy staff to leave Baghdad and Erbil

Official from country's atomic agency says move part of 60-day ultimatum laid down by President Rouhani for negotiating new terms

In escalating sabre-rattling, Tehran's ambassador to Britain also lashes Washington's 'theatrical maneuvers,' but warns 'Don't test us'

Spokesman for country's atomic agency insists actions ordered by President Rouhani in response to US sanctions do not violate 2015 agreement

Riyadh says fleet of 4 vessels targeted in mysterious acts of 'sabotage' off UAE coast amid soaring tensions with Iran

Iran's second-largest source of foreign revenue is largely decentralized and sells mostly to nearby countries, some of which are uncowed by US measures