Trump warns at UN he could 'annihilate' Iran as he signals post-midterm deal talks

Trump used his address to the United Nations General Assembly in New York to sharpen his warning to Iran, saying he could "annihilate the Islamic Republic" if no deal is reached. He also urged other countries to help isolate Iran economically, arguing that pressure would force Tehran back to the negotiating table. At the same time, he said he believed an agreement could come after the US midterm elections.

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In his remarks, Trump said he had a "big decision" to make over whether a deal would allow Iran to rebuild or whether he would act against it quickly. He repeated that Iran would not be allowed to obtain a nuclear weapon and linked his comments to the war with Iran, which he said had prevented Tehran from reaching that goal. He also said the administration would strike a peace deal after the election, suggesting that diplomacy remained possible despite the threat of force.

The speech marked the latest justification Trump has offered for the war with Iran. He has previously cited Tehran's nuclear programme, its support for regional proxy groups and the prospect of regime change as reasons for the February US-Israeli strikes. Iran has consistently denied seeking nuclear weapons, and the supplied material does not include any immediate response from Tehran to the latest warning.

Outside UN headquarters, dozens of anti-Iranian government demonstrators gathered, with some holding signs calling for freedom and democracy and denouncing dictatorship. The comments matter because they combine a direct military threat with a conditional diplomatic opening at a moment of continuing regional tension. They also underline the central role of sanctions and economic isolation in Washington's approach, with Trump explicitly calling on other states to join that effort.

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Delivered from the UN podium, the remarks also carried added weight because he used the same speech to criticise the organisation and to argue against what he described as encroachment on US sovereignty. Trump's broader message at the UN linked Iran to a wider foreign policy agenda that included criticism of international institutions and assertions of American power. He also called for all members of the International Criminal Court to resign, and the supplied material says he is scheduled to meet at least 11 world leaders in bilateral or group settings after the speech.

The combination of threats, diplomacy and criticism of multilateral bodies reflects a pattern in his recent UN appearances, including a combative speech last year. What remains unclear is whether the post-election deal Trump described is realistic, what terms it might involve, and how Iran will respond to the latest warning. It is also not clear whether the threat of "annihilation" is intended mainly as leverage or as a statement of policy.

For now, the key issue is whether the remarks signal a further escalation in US-Iran tensions or a negotiating tactic tied to the election calendar.

Donald Trump used his address to the United Nations General Assembly in New York to deliver a sharp warning to Iran and to signal that he may seek a deal later in his term. Speaking on Tuesday, he said the United States could "annihilate" Iran and repeated that Tehran will never obtain a nuclear weapon. He also said he would pursue an agreement after the midterm elections.

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Trump framed the remarks as part of a broader defence of his administration's record, saying the United States is the "best and most powerful" country in the world. He claimed his government had reached historic levels of employment and foreign investment, while also saying it had made progress against illegal immigration and poverty. In the same speech, he said the world was being lifted by a stronger United States and described his administration as confronting global challenges.

The Iran comments were among the most consequential parts of the address because they combined a direct military threat with a conditional diplomatic opening. Trump said his government was defending American interests against what he described as the Iranian nuclear threat, and he referred to the Middle East war while repeating that Iran would never get a nuclear weapon. He also said he had a "big decision" ahead of him, without explaining what that decision would be.

The speech comes at a time when the UN is facing a serious crisis, and Trump has been one of the institution's most vocal critics since returning to the White House in January 2025. He has also created an international body called the Peace Council to rival the UN, according to the supplied material. That wider backdrop gives added weight to his remarks, because they were delivered from the UN podium even as he questioned the organisation's role and authority.

Trump also linked his foreign policy message to broader themes of security and confrontation, including references to the September 11 attacks in New York and the October 7 attacks in Israel. He said his administration had acted against what he called the Iranian nuclear threat and drug cartel violence, while also asserting US interests in Greenland. The speech therefore combined domestic political messaging with a hard line on Iran and a promise of future negotiations.

What remains unclear is what form any post-midterm agreement with Iran might take, or whether the threat of force is intended as leverage for diplomacy. The immediate reaction from Iran was not included in the supplied material. For now, the key issue is whether Trump's remarks mark a rhetorical escalation, a negotiating tactic, or both, as the UN gathering continues in New York.

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