U.S. fears rapid escalation in West Asia after Houthis attack Riyadh

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Smoke rises from the fuel storage depot at King Khalid International Airport in the aftermath of Houthi strikes, in Riyadh, Saudi Arabia, September 19, 2026. | Photo Credit: Reuters

The United States warned on Saturday (September 19, 2026) that hostilities between Saudi Arabia and Iran-backed Houthis could "escalate rapidly" after a missile attack targeted Riyadh for the first time since the Yemen conflict resumed.

U.S. President Donald Trump cut short a weekend at Camp David, a secluded presidential complex in rural Maryland, to return unexpectedly to the White House on Saturday (September 19, 2026).

The White House gave no explanation for the early return, which comes as a new threshold was crossed in the conflict between Saudi Arabia and the Houthis, who control a large part of Yemen and are fighting government forces backed by a coalition led by Riyadh.

Loud explosions rang out twice on Saturday (September 19, 2026) in the Saudi capital, where AFP journalists saw a fuel tank bearing the logo of oil giant Aramco on fire near the airport.

"This military conflict has the potential to escalate rapidly," the U.S. State Department warned, adding American citizens outside the West Asia should "seriously reconsider travel to and through the region".

The Houthis's lightning offensive seizing swathes of Yemeni territory in recent weeks has left hundreds dead and, according to the UN, displaced more than 110,000 people.

These clashes and the subsequent hostilities with the kingdom have already disrupted Saudi Arabia's exports — the world's leading supplier of crude oil — as well as maritime traffic.

The Riyadh-led coalition confirmed on Saturday (September 19, 2026) evening on X that a ballistic missile launched by the Houthis towards the capital was "successfully intercepted and destroyed".

The coalition added that the pro-Iranian fighters had tried to target "civilians and civilian infrastructure" in several cities in the west of the kingdom, including the port of Yanbu on the Red Sea, an important export hub for Saudi oil.

It said these attacks were "thwarted by the Gulf monarchy's air defences".

Saudi Arabia has responded with scores of airstrikes on Houthi-held areas but failed to stop the advance.

"The first targeted sensitive sites in the Saudi capital, Riyadh, and the second targeted Aramco facilities in Yanbu."