An Iranian Revolutionary Guards senior official said on Monday that the Strait of Hormuz is closed and Iran will set fire to any ship attempting to pass, Iranian media reported.
That is Iran’s most explicit warning since telling ships it was closing the export route on Saturday, a move that threatens to choke a fifth of worldwide oil flows and send crude prices sharply higher.
“The strait (of Hormuz) is closed. If anyone tries to pass, the heroes of the Revolutionary Guards and the regular navy will set those ships ablaze,” Ebrahim Jabari, a senior adviser to the Guards commander-in-chief, said in remarks carried by state media.
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The strait is the world’s most important oil export route, which connects the largest Gulf oil producers, reminiscent of Saudi Arabia, Iran, Iraq and the United Arab Emirates, with the Gulf of Oman and the Arabian Sea.
The closure was triggered by U.S. and Israeli strikes on Iran on February 28 searching for to topple its leaders, with U.S. President Donald Trump offering Iranians assist in ousting the ruling clerics.
In response, Iran fired several barrages of missiles at its Gulf neighbors hosting U.S. military bases reminiscent of Qatar, Kuwait and Bahrain. Tehran also fired missiles on the United Arab Emirates, Saudi Arabia and Oman.
With this closure, Tehran made good on years of threats to dam the narrow waterway in retaliation for any attack on the Islamic Republic.
About 20% of the world’s each day oil consumption passes through the Strait of Hormuz, which is about 33 kilometers (21 miles) wide at its narrowest point.
Oil markets have focused on tensions between Tehran and its old foes, the U.S. and Israel, fearing that a full-blown conflict would disrupt supplies and destabilize the region.
The move also comes after global shipping had already experienced disruptions linked to drone and missile attacks carried out by Yemen’s Iran-aligned Houthi militants. The group has targeted vessels within the Red Sea and the Gulf of Aden because the Gaza war broke out in 2023.