U.S. President Donald Trump sends Congress a formal notice stating that the conflict with Iran has resumed, according to reports. In the letter, Trump cites alleged Iranian violations of a Memorandum of Understanding, saying Iran attacked commercial vessels transiting through the Strait of Hormuz. Following the escalation described in the notice, Trump says the United States is reinstating its blockade of Iranian shipping in the Gulf. He also states that the U.S. will work to ensure the Strait of Hormuz remains open. The notice is presented as a formal step under U.S. policy as tensions rise in the region and maritime activity around the strategic waterway becomes a central point of concern. Across the coverage, the emphasis is on the administration’s description of Iranian actions, the claim that prior arrangements were breached, and the decision to reimpose restrictions on Iranian shipping while asserting continued efforts to keep the strait accessible to commercial traffic. The reports do not provide additional independent detail on the alleged attacks beyond the administration’s account.