[UPDATE] Riyadh airport hit again Sunday, Oct. 11, killing one; Saturday's strike toll rises to at least 13, including an American

Houthi spokesman Yahya Saree warned that Saudi airports and airspace are now targets, while the FAA told U.S. airlines to use caution on Saudi flights.

The attacks. A projectile hit Riyadh's King Khalid International Airport on Sunday, Oct. 11, killing a Pakistani resident and injuring 11, Saudi Arabia's civil aviation authority (GACA) said. NBC, citing Saudi aviation authorities, put Saturday's death toll at at least 13 after an injured Indian national died; CBS and The Washington Post reported 12. An American was among Saturday's dead, and the airport stays closed. The threat. Saree said the airports and airspace "constitute a theatre of operations for our forces." Still open. Trump said the U.S. is considering joining Saudi military operations against the Houthis. No mission, forces or timeline has been announced.

PREVIOUSLY

Sept. 13 — Houthi forces took the coast along the Bab el-Mandeb strait, a key Red Sea shipping lane; ships kept moving.
Sept. 14–16 — Drone attacks shut Saudi Arabia's Hormuz-bypass pipeline, Houthis seized two Red Sea islands, and Aramco halted loadings at Yanbu, its last open terminal.
Sept. 17 — U.S. crude prices hit a 30-day high.
Sept. 20–21 — Houthi missiles burned a fuel depot near Riyadh's airport; Saudi Arabia intercepted another aimed at the capital.
Sept. 22 — Trump declined a prepared U.S. air campaign, giving Saudi Arabia intelligence and targeting data instead.
Sept. 23 — Saudi Arabia tested a pipeline restart; oil fell below $98, down from $107.02 a barrel on Sept. 17.
Oct. 10 — A strike on King Khalid airport killed 12, including an American, and injured 309, GACA said; Trump said the U.S. "may" join Saudi strikes.

What U.S. agencies have already ordered for travelers:

The FAA caution notice runs through Dec. 10 and covers flying over, landing and taking off.
The U.S. Mission in Saudi Arabia urges Americans to avoid Riyadh's airport.
U.S. government employees need special approval to use airports in Riyadh, Jeddah or Dammam.