RIYADH: The United States issued a Saudi Arabia security alert on Tuesday, warning of further attacks after ordering non-emergency government employees and their families to leave the kingdom from October 23.
The US Mission cited safety risks linked to Houthi attacks on civilian airports and other infrastructure. American citizens were advised to exercise extreme caution when travelling through Saudi airports.
Officials warned of possible airspace closures, flight cancellations and further disruption. King Khalid International Airport in Riyadh partially reopened on October 23 for domestic services and selected international flights operated by Saudi carriers.
Some flights normally operating from Riyadh have shifted to Prince Naif bin Abdulaziz International Airport in Qassim.
King Abdulaziz International Airport in Jeddah and King Fahd International Airport in Dammam remain operational, although travellers may encounter delays and cancellations.
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The embassy urged passengers to confirm departure details directly with airlines and airports before travelling. Land border crossings, including the King Fahd Causeway to Bahrain, remain operational.
Roads around Riyadh, Jeddah and Dhahran are also open. US government employees must obtain special authorisation before using any Saudi airport and cannot travel within 20 miles of the Yemen border. Additional restrictions cover Jizan, Asir, Najran, Qatif, Yanbu and Taif.
The mission also warned Americans against photographing missile interceptions, drone activity or attack sites. Saudi authorities have detained people for violating these restrictions.
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Emergency consular assistance remains available. Americans were advised to follow Saudi Civil Defence alerts, avoid areas with heavy security deployments and contact airlines directly about affected bookings.