Riyadh Airport Closure Extended to Oct 17 After Houthi Attacks. Saudi Arabia extended King Khalid International Airport's closure until October 17 following deadly Houthi rebel attacks that killed 14 and injured over 300. Airlines including Lufthansa, Air France, and Etihad have cancelled flights. Aviation safety experts warn of unprecedented risk, with some carriers rerouting Europe-Asia flights through Central Asia to avoid the region.