President Donald Trump said Monday that ongoing U.S.–Iran talks represent the "last chance" for Iran to sign a peace deal.

The ultimatum signals a precarious moment in international diplomacy, where the threat of a massive military escalation is being used to force a diplomatic breakthrough.

Speaking from the Oval Office, Trump said the U.S. had been prepared to launch a major military operation on Sunday, Aug. 2 [1]. He said the planned strike would have been harder than any attack since World War Two [2]. The president said the administration held off on the strike to allow for the current diplomatic window.

Trump said that the choice for Tehran is now between a signed agreement and a catastrophic military outcome. "This is the last chance: sign a peace deal or face decapitation," Trump said [3].

While the president characterized the negotiations as active, the nature of these talks remains a point of contention. Trump said that some parties are reluctant to admit they are communicating. "For some reason, when they're talking, they don't like saying that they're talking," Trump said [4].

However, reports from Tehran contradict the White House narrative. Iranian officials said that they are engaged in discussions with Oman regarding shipping routes, but they are not in talks with the United States [5].

The president's comments come amid heightened tensions in the region. By publicly linking the suspension of a major strike to the progress of a peace deal, the administration is attempting to pressure the Iranian government into a formal agreement to avoid further conflict.

"This is the last chance: sign a peace deal or face decapitation."

The discrepancy between the White House and Tehran regarding the existence of direct talks suggests a high-stakes game of brinkmanship. While the U.S. is using the threat of 'decapitation' and the revelation of a narrowly avoided strike to create urgency, Iran's denial of direct contact indicates a refusal to grant the U.S. a diplomatic victory until specific terms are met. This tension increases the risk of miscalculation in a region already on edge.