U.S.-Iran ceasefire expires, Strait of Hormuz closed again

The U.S.-Iran ceasefire is set to expire this week without a new agreement in sight. Iran has once again closed the Strait of Hormuz, stating it will restrict ships from passing through as long as the U.S. maintains its blockade of Iranian ports. Iranian parliamentary speaker Mohammed Bagher Qalibaf declared on state TV, "It is impossible for others to pass through the Strait of Hormuz while we cannot." In response, the U.S. military reported that it forced 23 ships to turn around as part of its blockade.

The Strait of Hormuz is a critical waterway, with about 20% of the world's crude oil and natural gas typically passing through it. Since the U.S. and Israel launched a war against Iran at the end of February, Iran has effectively closed the strait to international tankers. The Iranian National Security Council emphasized that Iran intends to maintain control over traffic in the strait until a definitive end to the war is achieved. President Trump has expressed uncertainty about the U.S. approach post-ceasefire, suggesting that military action may resume, stating, "We might have to start dropping bombs again," but also indicated that a deal could still be possible.

In this context, Iran's renewed closure of the Strait of Hormuz significantly enhances its leverage in negotiations, as it directly impacts global oil supply and shipping routes. The U.S. finds itself in a precarious position, facing pressure from both domestic and international stakeholders to respond effectively to Iran's actions while managing the risks of escalating military conflict. The situation exposes the fragility of U.S. influence in the region, particularly as Iran asserts its control over vital maritime routes.

What to watch: The expiration of the ceasefire this week will be critical in determining the next steps for U.S.-Iran relations and potential military actions.