Yemen War Re-Erupts: Iran's Alleged Role in the Houthi Attacks on Saudi Cities

Yemen's war is back — and this time the battlefield reaches deep into Saudi Arabia. After years of uneasy calm, the Houthis have launched dozens of drones and missiles at Saudi cities in recent weeks, including a strike on Riyadh's King Khalid International Airport that killed 13 people. Now new reporting points to an alleged Iranian hand behind the escalation, raising the stakes from a Yemeni civil war to a potential Iran–Saudi confrontation.

According to reports cited by Al Jazeera, Iran's Islamic Revolutionary Guard Corps provided the Houthis with training, intelligence, tactical guidance and help in targeting their drone and missile attacks. The Wall Street Journal reported that Iranian Mahan Air flights ferried IRGC paramilitary officers, drone parts, missile guidance systems and impact detonators to Yemen — and that IRGC officers were on the front lines directing Houthi attacks. Saudi energy facilities and oil tankers have also been targeted by the group.

How the Houthis got this powerful

The alleged Iranian backing, according to the reports, fueled a September offensive in which the Houthis — formally Ansar Allah, Arabic for "Supporters of God" — seized swaths of western Yemen, taking control of the Red Sea coastline and the strategically vital Bab al-Mandeb strait, the chokepoint through which a huge share of global shipping passes. The spokesperson for the Saudi-led coalition backing Yemen's government, Major-General Turki al-Maliki, confirmed the presence of "an external state actor" behind the Houthis' increasingly sophisticated arsenal — without naming the state. Al-Maliki noted the group, at war with the government since 2014, has acquired advanced technologies with regional assistance.

The fighting inside Yemen is intensifying too

The escalation isn't limited to strikes on Saudi Arabia. Al Jazeera's live coverage reports a Houthi ballistic missile strike on a military camp in Yemen's Shabwa governorate during a training exercise killed at least 53 people, with dozens more feared dead. Gulf ministers have condemned the attacks, and fighting has displaced more than 233,000 people across Yemen, according to regional reporting. Egypt's parliament has been debating military support for Saudi Arabia, while Britain says it will fly defensive air missions over the kingdom.

Why this could get much bigger

The Iran angle is what turns a regional flare-up into a global risk. If Tehran is directly arming and directing the attacks — as the reporting alleges — every Houthi strike on a Saudi city becomes a proxy exchange between the Middle East's two great rivals. The timing matters: it comes amid a separate, widening US–Iran confrontation and fresh Houthi threats to shipping through the straits they now control. For now, the allegations remain reports rather than proven fact — but the missiles hitting Saudi cities are real, and the war the world thought had gone quiet is making noise again.

Read more: how Houthi attacks are exposing Saudi Arabia's military limits and the Hormuz tanker attacks — Iran's pressure playbook. Original reporting: Al Jazeera.

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