Two drones struck the United States embassy compound in Riyadh, Saudi Arabia, triggering a limited fire and causing minor material damage to the building, according to Saudi defense officials, in a dramatic escalation of the expanding regional conflict involving Iran.

Saudi Arabia’s Ministry of Defense said the unmanned aerial vehicles hit the diplomatic complex in the early hours, igniting a small blaze but causing no reported injuries.

The attack occurred in Riyadh’s Diplomatic Quarter, where numerous foreign missions are located and which is normally subject to strict security controls.

Initial assessments indicated that two drones struck the embassy structure, damaging sections of the roof and surrounding perimeter areas.

Authorities said emergency crews quickly extinguished the fire and secured the compound.

The U.S. embassy subsequently issued a security alert advising American citizens in Saudi Arabia to shelter in place and avoid the embassy facility until further notice.

The advisory also recommended limiting travel to sensitive locations while authorities assessed the security situation.

The strike came amid a widening wave of missile and drone attacks across the Middle East following large-scale military operations targeting Iran and subsequent retaliatory strikes across the region.

In recent days, Iranian drones and missiles have targeted multiple countries hosting American forces or strategic infrastructure, including Gulf states allied with Washington.

Saudi air-defense systems have intercepted several projectiles during the broader escalation, while the kingdom has reinforced security around critical facilities, including diplomatic compounds, military bases and energy infrastructure.

Saudi authorities condemned attacks on diplomatic missions as violations of international norms and reaffirmed the kingdom’s determination to protect its territory and foreign missions operating within its borders.

The embassy strike marks one of the most significant attacks on an American diplomatic facility in the Gulf since the conflict began, highlighting the growing reach of the confrontation and the vulnerability of regional diplomatic infrastructure.

Officials in Riyadh and Washington continue to monitor the evolving security environment as military activity and retaliatory strikes persist across the region.