World

Iran supreme leader warns of ‘unforgettable lessons’ if US attacks continue

Al Jazeera · 2026-07-18

AI SUMMARY

• What happened: Iran's Supreme Leader Mojtaba Khamenei warned the U.S. of "unforgettable lessons" if attacks continue, citing violations of a recent memorandum of understanding (MoU) between the two nations. • Why it matters: Khamenei's remarks underscore escalating tensions and military actions between Iran and the U.S., which could have significant implications for regional stability and global energy markets. • What to watch next: Monitor the potential responses from both Iran and the U.S., including any further military actions or diplomatic efforts, as well as the reactions of international stakeholders regarding the conflict's impact on global dynamics.

**Iran's Supreme Leader Issues Stark Warning to the U.S. Amid Escalating Tensions**

In a recent statement broadcasted on state television, Iran's Supreme Leader Mojtaba Khamenei issued a stern warning to the United States, asserting that the nation would face "unforgettable lessons" if it continued its attacks on Iran and its allies. This warning comes in the context of escalating military actions and heightened tensions between the two countries.

Khamenei's remarks were prompted by what he described as repeated violations of a memorandum of understanding (MoU) signed last month between Iran and the U.S. He characterized the breaches as evidence that the signature of U.S. President Donald Trump is "utterly worthless and invalid." The Supreme Leader's statement highlighted a growing frustration in Tehran regarding what it perceives as U.S. aggression and disregard for diplomatic agreements.

"The repeated breach of agreements by the Great Satan vis-a-vis the accord has once again proven to all that the signature of the President of America is now utterly worthless and invalid," Khamenei stated. He further accused the U.S. of embodying "bullying, hegemonism, and savagery," which he claimed are inseparable components of American foreign policy.

The backdrop to Khamenei's comments includes a series of U.S. military strikes that have intensified in recent weeks, targeting Iranian civilian infrastructure such as bridges, railway lines, and water desalination plants. In retaliation, Iran has reportedly conducted strikes on civilian infrastructure in Kuwait, prompting local authorities to advise residents to conserve electricity.

The ongoing conflict, which has been described by Iranian leadership as an existential threat, has drawn significant international attention. Reports have indicated that the Houthis in Yemen may consider closing the Bab al-Mandeb strait, a critical maritime passage, in solidarity with Iran. Such a move could have profound implications for global energy markets, potentially exacerbating inflation and increasing pressure on the Trump administration to reconsider its military strategy.

Khamenei's statement reflects a broader sentiment among Iranian leadership, which has consistently rejected U.S. demands and shown no inclination to yield to pressure from Washington. The Supreme Leader urged the Iranian populace to trust their leadership in safeguarding the nation and called for vigilance and active participation as the conflict continues.

The MoU, which was mediated by Qatar and Pakistan, was intended to establish a framework for a lasting resolution to the ongoing hostilities. However, both Tehran and Washington have since declared the agreement effectively null and void, each accusing the other of failing to uphold its terms.

As the situation unfolds, the potential for further escalation remains high, with both sides entrenched in their positions. The international community is closely monitoring the developments, as the ramifications of this conflict extend beyond the immediate region, affecting global political dynamics and economic stability.

Source: Al Jazeera
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