Trump tells Navy to block ships paying Iran near Hormuz as oil prices jump

President Donald Trump has instructed the U.S. Navy to begin intercepting commercial vessels that pay transit fees to Iran near the Strait of Hormuz, a narrow but critical waterway for global oil shipments. The directive, confirmed by defense officials on Sunday, marks a significant escalation in Washington's campaign to isolate Iran economically and challenges Tehran's longstanding practice of demanding payments from ships passing through the area.

The move has already sent ripples through energy markets. Global oil prices jumped more than 3% in early trading Monday, pushing U.S. gasoline prices even higher at a time when inflation remains a top concern for American households. The administration has defended the decision as necessary to uphold international maritime law, arguing that no single nation should control or profit from a strategic chokepoint used by the world's shipping fleets.

Iran has not yet issued a formal military response, but state media condemned the U.S. action as illegal and provocative. Analysts warn that the situation could quickly escalate, especially if Iranian forces attempt to enforce their own rules in the area or if commercial ships are detained by either side. The Strait of Hormuz handles about 20% of the world's traded oil, making any disruption a potential flashpoint for broader economic fallout.

Domestically, the timing is delicate. With midterm elections less than seven months away, some Republican lawmakers are growing anxious about the impact of rising fuel costs on voters. Trump acknowledged in a recent interview that gas prices might not come down before November, a rare admission that has unsettled party leaders worried about losing seats. While the White House frames the Hormuz move as a strong stand against coercion, critics say it could backfire if it leads to sustained price hikes.

The administration insists the operation will be narrowly focused and lawful, targeting only ships that voluntarily pay Iran in exchange for safe passage. U.S. naval forces are expected to issue warnings before any interdiction, and the Pentagon says no military confrontation is planned. Still, the risk of miscalculation is high in such a congested and sensitive region.

International reaction has been cautious. European allies have urged restraint, while major Asian oil importers like Japan and South Korea are closely monitoring the situation. The United Nations has not yet commented, but maritime law experts say the U.S. position aligns with longstanding principles that global shipping lanes should remain free from unilateral tolls.

For now, the focus remains on whether the order will achieve its goal of weakening Iran's leverage without triggering a wider crisis. With oil markets on edge and political pressure mounting at home, the coming days could test both diplomatic and economic resilience.