"Number two: I think the president should stop tweeting altogether about this and stop making off-the-cuff remarks," Senator Angus King said.
"Such [American] comments and measures are more akin to the plots hatched by secret and intelligence services for damaging the image of a state to prepare the ground for a series of [hostile] measures," the Iranian Foreign Ministry said.
With diplomacy on the horizon, activists are continuing to call for democratic change in Iran—but that doesn't mean they want U.S. intervention.
"They would appear when they are needed to strike a tough blow to the enemy," General Mohammad Hossein Dadras warned.
Iran came on the French Government's invitation, but will not be meeting the American delegation as tension escalates between the two countries
Trump may not court a war, but he is doing too little to avoid one. He needs to act fast.
"Trump needs to know that as long as he speaks the language of coercion with a civilized nation, they will only grow closer and more unified," Iran's Parliament Speaker Ali Larijani said.
A leading opponent to the Iran nuclear deal, Israel has now threatened to go to war if Tehran does not abide by its restrictions.
An attempt by the European Union to keep Iran in compliance with a 2015 nuclear deal may have fallen short.
Trump's freewheeling remarks to reporters came after the president made the last-minute decision to call off an approved airstrike on Thursday
It is not yet clear whether the country is violating the terms of the Iran deal, known formally as the Joint Comprehensive Plan of Action (JCPOA).
Iran's leaders are demanding that their European counterparts do more to save the deal.
Britain's foreign secretary, Jeremy Hunt, urged Washington and Tehran to defuse tension to avoid destabilizing the Gulf region.
The same man who denounced the Iran nuclear pact as the "worst deal ever" is helping Iran's worst foe in the Persian Gulf get its feet on the nuclear ladder.
Iranian Foreign Minister Mohammad Javad Zarif said, "President Trump should've now realized that pageantries, photo-ops & flip-flops don't make for serious diplomacy."
Russian President Vladimir Putin's spokesperson said "sometimes we hear different statements from different agencies" in the U.S.
The drills were designed "to protect the territorial waters of our country, maintain lines of communication and promote the flag of the Islamic Republic of Iran."
The new special purpose vehicle for trade with Iran could keep the nuclear deal until 2020, experts argue.
The president has called his intelligence officials "extremely passive and naive" on foreign policy issues and suggested they should "go back to school!"
Both U.S. and Polish officials have argued that the conference would not target Iran, despite Secretary of State Mike Pompeo's statement that "there will be a focus on Iran."
The crown prince has threatened to develop nuclear weapons if Iran is able to do the same.
The European Union's foreign policy chief said the other nations would "protect the freedom of their economic operators."
"We deeply regret the re-imposition of sanctions by the U.S., due to the latter's withdrawal from the Joint Comprehensive Plan of Action," the foreign ministers of the EU, Germany, France and the U.K. said Monday.
Top diplomats from China, the EU, France, Germany, Iran, Russia and the U.K. believe the nuclear deal "is in the security interest of all."
Macron responded to Rouhani by saying that he "hoped that Iran, for its part, will fulfill its obligations without any ambiguity."