President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE on Sunday said he has no plans to meet with the Iranian leaders at this week's United Nations General Assembly.

"Nothing is ever off the table completely, but I have no intention of meeting with Iran," Trump said as he departed the White House for events in Texas and Ohio before heading to New York City for the U.N. meetings.

Trump said he has about 15 meetings set up, but that Iran "is not one of them."

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The comments all but shut the door on a surprise meeting amid simmering tensions between the two countries. Trump has consistently indicated in recent weeks that he would not completely rule out a meeting with Iran's leaders in New York City, but said that it was unlikely he would have one.

Secretary of State Mike Pompeo Michael (Mike) Richard PompeoWatchdog confirms State Dept. canceled award for journalist who criticized Trump Trump's push for win with Sudan amps up pressure on Congress Putin nominated for Nobel Peace Prize MORE told "Face the Nation" that he and Trump are “looking for a diplomatic resolution,” but added “we’re prepared to do the things we need to do.”

The U.S. has in recent days taken additional steps to respond to the bombings of Saudi oil facilities, which administration officials have blamed on Iran.

The Trump administration on Friday morning slapped new sanctions on Iran’s central bank in response to the attacks.

Defense Secretary Mark Esper Mark EsperOvernight Defense: Stopgap spending measure awaits Senate vote | Trump nominates former Nunes aide for intelligence community watchdog | Trump extends ban on racial discrimination training to contractors, military Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers Official: Pentagon has started 'prudent planning' for full Afghanistan withdrawal by May MORE also announced Friday evening that Trump had approved the deployment of U.S. troops and missile defense equipment to Saudi Arabia and United Arab Emirates (UAE).

It was unclear how many troops would be deployed, but Pentagon officials signaled they would be in the region in a defensive posture to provide added security.

Iranian officials have ripped the move and asserted it will worsen tensions, which were raised last year when Trump withdrew from the Obama-era nuclear deal with Iran and reimposed sanctions.