The US has sent a peace plan to Iran, as the country opens the Strait of Hormuz to 'non-hostile' oil vessels, sparking cautious optimism about de-escalating the conflict.

Donald Trump said Tuesday he had sent a peace plan to Iran, expressing cautious optimism about ending nearly a month of war even as fresh violence underscored the fragility of the moment. In a potential sign of de-escalation, Tehran announced it would allow “non-hostile” vessels to pass through the strategically vital Strait of Hormuz, a key artery for global oil supplies.