Houthi rebels in Yemen on Monday announced they were imposing a maritime embargo against Saudi Arabia in yet another threat to global petroleum supplies amid the US war on Iran.

Yahya Saree, spokesperson for the Houthis, said in a video announcement that the militia would be enforcing the shipping embargo in retaliation for last week’s bombing of Sanaa Airport, which the group blamed on the Saudis.

BREAKING: Yemen’s Houthis announce ‘sea navigation ban’ on Saudi Arabia. pic.twitter.com/HDzghEi9Ct
— Clash Report (@clashreport) July 20, 2026

After Iran shut down the Strait of Hormuz in response to US President Donald Trump’s illegal war of choice earlier this year, global oil markets became even more dependent on shipping supplies through the Strait of Bab al-Mandeb, a waterway adjacent to the coast of Yemen.

According to Javier Blas, energy and commodities columnist at Bloomberg, Saudi Arabia has been shipping roughly 4.5 million barrels of oil per day through shipping channels in the Red Sea, with “most of it” traveling through the Strait of Bab al-Mandeb.

The Houthis’ announcement of an embargo against the Saudis comes as the US has continued burning through its crude inventories.

Data released by US Energy Information Administration revealed that US crude inventories fell by 1.7 million barrels over the week ending July 10, leaving stocks at their lowest level since 1983.

University of Chicago political scientist Robert Pape warned that the Houthis shutting down another vital global shipping lane could be a disaster for the global economy given that it could mean a “loss of another 4 to 5 million [oil] barrels a day.”

“The Titanic is now hitting the iceberg,” Pape added, “and there are not enough lifeboats for the world economy.”

Nicholas Grossman, professor of international relations at the University of Illinois, noted that there are now multiple factors throttling global energy shipments.

“Iran blocking Strait of Hormuz,” Grossman wrote. “US blocking Iranian shipping. Iran bombing energy facilities in Gulf Arab states. US bombing energy facilities in Iran. Ukraine bombing energy facilities in Russia. Houthis disrupting Red Sea shipping. Oil and gas reserves running dry. It’s a lot, and adding up.”

Juliette Kayyem, senior lecturer at Harvard’s Kennedy School and a former Obama administration official, wrote that the potential shutdown of global energy supplies should make US policymakers rethink what they can achieve using American military force.

“A bunch of military and conventional wisdom analysts assured the American public that our air dominance was unparalleled,” wrote Kayyem. “The ‘never right but always certain’ crowd didn’t realize the war was going to be fought on water.”

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