The meeting Tuesday occurred against the backdrop of an expanded U.S. military presence in the Middle East, as President Donald Trump threatens to attack Iran if a deal cannot be reached.

Vice President JD Vance said Iran had failed to acknowledge core U.S. demands in talks here Tuesday, after which Washington said it had agreed to give Tehran two weeks to close the gaps between the si...

According to Araghchi, Reuters said, the initial meetings resulted in “an understanding on main principles” between the US and Iran.