Iranian president says the 'road is not closed' and urges Washington to return to negotiation table over nuclear deal

In region, Bolton says Tehran has only one reason to boost uranium enrichment -- 'to reduce the breakout time to produce nuclear weapons'

PM is in the delicate position of not wanting to be seen as pushing Washington into military confrontation with Tehran

Saber-rattling adds to tensions in Gulf, as Tehran reiterates it does not want talks with Trump administration

FM Zarif rejects US president's claim Washington is only trying to prevent Tehran from acquiring nuclear weapons

Foreign Minister says his country will 'stand by' its neighbor, declares US economic sanctions 'unnecessary' and cause suffering to Iranians

Ambassador to the US Harsh Vardhan Shringla says that, as a partner to the United States, his country has also stopped imports from Venezuela

Fearing 'real risk of escalation,' Berlin sends envoy after Iran warns that Germany, France, Britain, China, Russia have 2 months to develop plan to block US sanctions

With US tensions running high over demise of agreement, Ayatollah Khamenei says Rouhani and Zarif did not implement landmark accord how he told them to

'Under no circumstance will we enter a war,' says Heshmatollah Falahatpisheh, amid soaring tensions