The meeting, which lasted over an hour at a secret location, focused on reducing tensions between Iran and the United States, according to Iranian officials. Tehran representatives described the meeting as "positive" and expressed hope for further dialogue.

The tech billionaire, a top adviser to President-elect Donald J. Trump, was reported to have discussed ways to defuse tensions between Iran and the United States.

This meeting seems dangerous, because it does not seem that Mr. Musk was briefed on previous U.S.-Iran exchanges’