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Iran’s Supreme Leader says US breaches show Trump’s signature is ‘worthless’

By Thomson Reuters Jul 18, 2026 | 11:58 AM

July 18 (Reuters) – Iran’s Supreme Leader Mojtaba Khamenei said ​in a written ‌statement on Saturday that repeated U.S. breaches of a memorandum ‌of ​understanding signed ⁠by the presidents ⁠of Iran and the United States had shown that ​President Donald Trump’s signature was “utterly worthless ⁠and ⁠devoid of credibility.”

Washington ​and Tehran have exchanged ​strikes after a ceasefire ‌agreement fell apart last week, raising fears of ⁠a return to all-out war.

Khamenei said the United States ⁠should ‌know that ⁠the Iranian nation ​and ‌the “resistance front” had “unforgettable ​lessons” ⁠for it.

(Reporting by Enas Alashray, Hatem Maher and Yasmine Ghania; Editing by Ros ​Russell)