Iran's supreme leader criticizes US president over memorandum breaches

On July 18, 2026, Iran's supreme leader, Ayatollah Mojtaba Khamenei, issued a written statement through state broadcaster IRIB condemning the United States for repeated violations of a memorandum of understanding signed by the presidents of both nations. Khamenei characterized the US president's signature as worthless and lacking credibility, specifically citing disputes over navigation in the Strait of Hormuz. Following renewed hostilities and the collapse of a ceasefire agreement, Tehran has announced the suspension of its obligations under the memorandum. The Iranian leader further warned that the Iranian nation and the 'Axis of Resistance' are prepared to provide 'unforgettable lessons' in response to perceived US aggression. The US and Iran have been exchanging strikes over the past week, leading to concerns about a potential return to total war. The statement was released without a public appearance or video message from the leader.