Iranian security official Ali Larijani is in Oman, the country currently mediating talks between Tehran and Washington over Iran's nuclear program. Larijani likely discussed recent indirect talks

The trip by Larijani, secretary of Iran’s Supreme National Security Council, comes amid diplomatic efforts to avert war.

Oil prices settled more than 1% higher on Monday after the U.S. Department of Transportation issued an advisory to U.S.-flagged vessels to stay as far as possible from Iranian territory while passing through the Strait of Hormuz and Gulf of Oman.

Oil prices rose more than 1% on Monday after the U.S. Department of Transportation issued an advisory to U.S.-flagged vessels to stay as far as possible from Iranian territory while voyaging through the Strait of Hormuz and Gulf of Oman.

President Trump told Axios Tuesday he is considering sending a second aircraft carrier to the waters surrounding Iran should Tehran refuse to play ball in a second round of negotiations with the US next week.

Indirect nuclear talks between the U.S. and Iran over the weekend produced little progress but set the stage for further negotiations.

The move came shortly after talks between U.S. and Iranian officials concluded in Oman. President Donald Trump speaks to the press as Secretary of State Marco Rubio looks on. Jim Watson/AFP via The United States imposed new sanctions tied to a network moving Iranian oil,