US Vice President JD Vance has issued a strong warning to Iran, saying Washington will respond militarily if Tehran attempts to close the Strait of Hormuz, one of the world's most important oil shipping routes.

Speaking during a news briefing in Washington, Vance said the United States has made its position clear regarding freedom of navigation in the strategic waterway. He stated that any effort by Iran to block the passage or disrupt maritime traffic would trigger a firm American response.

The vice president said the US is prepared to ease its naval blockade measures if Iran stops targeting commercial vessels and allows shipping to move freely through the region. However, he warned that continued attacks on ships would lead to further military action.

According to Vance, Iran now faces a choice between complying with existing understandings and keeping the shipping lane open, or facing ongoing military pressure from the United States.

The Strait of Hormuz is a critical global trade corridor linking the Persian Gulf to international markets. A significant portion of the world's oil exports passes through the narrow waterway, making any disruption a major concern for energy markets and global economies.

The warning comes amid escalating tensions between Washington and Tehran following recent military exchanges and reported attacks on vessels operating in the Gulf region.

Analysts say any attempt to close the Strait of Hormuz could trigger a sharp rise in oil prices, disrupt global energy supplies and increase instability across the Middle East. Investors and shipping companies are closely monitoring developments as concerns over regional security continue to grow.