Iran's Supreme Leader Mojtaba Khamenei issued a written statement accusing the US of violating their ceasefire agreement and calling Trump's signature on the memorandum 'worthless and invalid.' The statement came as Iran conducted military strikes on US allies in the Gulf and Jordan, killing two US service members and leaving another missing — a significant escalation in ongoing US-Iran tensions that intensified in late February 2026. Hardline Iranian factions view the ceasefire deal as a surrender, creating internal pressure on Iran's leadership to demonstrate strength through further military action. The timing suggests both sides are testing each other's commitment to the fragile agreement while positioning for advantage in potential renewed negotiations.