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

Pompeo and Trump both insist they are not seeking military confrontation as US carrier steams toward Persian Gulf and Iran backs away from nuclear deal

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

Spokesperson says Tehran is eager to see landmark 2015 pact strengthened, as Europe says it won't cave to regime's 'ultimatums'

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?

EU's foreign policy chief and foreign ministers of Britain, France, and Germany say they will assess Tehran's adherence to 2015 pact, remain determined to keep agreement alive

EU countries, wary of being punished by Washington for breaking sanctions, have so far proved unable to deliver the promised economic advantages to Iranians

US secretary of state cites pressing business in Washington as reason for travel changes; move comes hours after Tehran announces partial withdrawal from nuclear deal

President tightens the screws with sanctions on Tehran's mining industry, after it moves to suspend part of obligations under nuclear deal