Iran's supreme leader issued a stark warning to the United States on Saturday, vowing that Tehran and its regional allies would teach America "unforgettable lessons" should the ongoing attacks persist. The statement, attributed to Mojtaba Khamenei and broadcast on state television, accused the U.S. of repeatedly violating a memorandum of understanding (MoU) signed last month.

This escalation in rhetoric comes amid a significant intensification of hostilities. The U.S. has recently targeted civilian infrastructure within Iran, including bridges, railway lines, and water desalination plants. In response, Iran has carried out strikes on civilian infrastructure in Kuwait, prompting calls for electricity rationing in the country.

The supreme leader asserted that the U.S. breaches of the agreement demonstrated that President Donald Trump's signature is "utterly worthless and invalid." He further characterized "bullying, hegemonism and savagery" as fundamental elements of American foreign policy. "Now that the American enemy is seeking to foment war and suffer heavier costs and further humiliation, it should know that the dear nation of Iran and the Resistance Front hold unforgettable lessons for it," the statement read.

Tehran views the conflict, which began in February, as an existential threat. Despite increasing demands from the Trump administration, Iran has shown no indication of backing down. Meanwhile, regional nations are reportedly engaged in behind-the-scenes efforts to broker an end to the hostilities.

Khamenei stated that the U.S. has "revealed its true face," exposing its "deceitfulness, irrationality, unreliability and wickedness." He urged Iranians to remain "vigilant" and "active" and to place their trust in the leadership to safeguard the nation.

Recent reports suggest that Houthi forces in Yemen might move to close the Bab al-Mandeb strait, a critical maritime route, in support of Iran. Such a move could further destabilize global energy markets, exacerbate inflation, and increase pressure on President Trump to cease the attacks.

The war has reportedly been met with significant unpopularity within the United States and has caused economic repercussions for Americans. The MoU, which was mediated by Qatar and Pakistan, was intended to lay the groundwork for a permanent cessation of the conflict.

However, both Tehran and Washington have subsequently declared the accord "over" following a series of actions that have undermined its viability. The situation remains tense, with regional players continuing to seek a resolution to the escalating conflict.