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President Trump weighs 'big decision' on Iran war following UN report on civilian casualties

President Trump said he is weighing whether to resume major military attacks on Iran following a UN report detailing possible war crimes in previous U.S. strikes.

Background: The Insurrection Act, explained: when a president can deploy troops inside the United States

Published September 18, 2026 at 12:09 AM EDT

The short answer

President Trump said he is weighing whether to resume major military attacks on Iran following a UN report detailing possible war crimes in previous U.S. strikes.

President Trump weighs 'big decision' on Iran war following UN report on civilian casualties

The Facts

Who
President Donald Trump, UN fact-finding mission, Gulf country leaders, and U.S. State Department.
What
President Trump's consideration of future military action in Iran.
When
Friday, September 18, 2026
Where
Washington, D.C. and New York
Why
The decision will determine if the U.S. escalates its military involvement in Iran following allegations of civilian casualties and war crimes.

U.S. President Donald Trump stated he is weighing a "big decision" regarding the continuation of military operations against Iran. In an interview with Axios reported on Friday, September 18, 2026, the president said he is considering whether to resume large-scale attacks to end the conflict or to refrain from further escalation. These remarks followed a United Nations fact-finding mission report that detailed two U.S. airstrikes in February that may have constituted war crimes.

The UN report identified a U.S. strike on a primary school in Minab that reportedly killed more than 150 people, including approximately 120 children. A second strike cited by the mission hit a sports center in Lamerd, resulting in 22 civilian casualties. The UN mission stated the U.S. conducted the school strike despite a "substantial risk of striking a civilian object." The report also accused Iranian authorities of committing crimes against humanity during a crackdown on anti-government protests.

President Trump indicated he plans to consult with regional allies before finalizing his next steps. A meeting is scheduled for Tuesday on the sidelines of the UN General Assembly in New York with leaders from Saudi Arabia, the UAE, Qatar, Bahrain, Kuwait, and Oman. The president stated he wants to determine the positions of these Gulf nations, noting that the U.S. has been "very protective of them" and would require their backing for resumed major combat operations.

In related regional developments, the U.S. State Department approved a $24.3 billion sale of 48 F-35 Lightning II fighter jets and related equipment to Saudi Arabia. The sale, which requires congressional approval, was requested by Saudi Arabia in early 2025. Additionally, the U.S. Treasury announced sanctions on BitBank, an Iranian cryptocurrency exchange. Officials alleged the exchange, controlled by Babak Zanjani, processed payments for the "Hormuz Safe Marine Services Authority" to facilitate safe passage through the Strait of Hormuz, routing funds to the Islamic Revolutionary Guard Corps.

For residents in the region, a resumption of large-scale military attacks would mean a direct change in the safety of civilian infrastructure, such as the schools and sports centers mentioned in the UN report. In the U.S., the decision will determine the level of military resources and personnel committed to the Middle East. Financial institutions and cryptocurrency users are also affected by the new sanctions against BitBank, which the U.S. Treasury claims has routed hundreds of millions of dollars to evade international restrictions.

The outcome of the upcoming meetings will set a precedent for U.S. engagement in the Middle East and the maintenance of Israel's "qualitative military edge" as Saudi Arabia seeks advanced weaponry. The next steps include the Tuesday meeting between President Trump and Gulf leaders in New York and the pending congressional review of the $24.3 billion Saudi arms deal. Meanwhile, the UN fact-finding report will be formally submitted to the UN Human Rights Council in Geneva.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. January 1, 2025

    Saudi Arabia makes direct appeal for F-35 jets

  2. February 1, 2026

    U.S. strikes hit school and sports center in Iran

  3. September 16, 2026

    Building collapse in Gaza kills 16 people

  4. September 16, 2026

    Iranian Foreign Minister visits China

  5. September 17, 2026

    South Korean Foreign Minister discusses Hormuz deployment

  6. September 18, 2026

    UN report on U.S. strikes and Iran protests released

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. Drafted with AI assistance and checked against the source record before publication. See how we report, or report a correction.

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Questions readers ask

What happened: President Trump weighs 'big decision' on Iran war following UN report on civilian casualties?

U.S. President Donald Trump stated he is weighing a "big decision" regarding the continuation of military operations against Iran. In an interview with Axios reported on Friday, September 18, 2026, the president said he is considering whether to resume large-scale attacks to end the conflict or to refrain from further escalation.

Who is involved?

President Donald Trump, UN fact-finding mission, Gulf country leaders, and U.S. State Department.

When did this happen?

Friday, September 18, 2026

Where did this happen?

Washington, D.C. and New York

Why does this matter?

The decision will determine if the U.S. escalates its military involvement in Iran following allegations of civilian casualties and war crimes.