U.S. Embassy in Riyadh raises security posture, restricts staff travel amid Yemen-airspace tensions

What happened: The U.S. diplomatic mission in Riyadh elevated security measures for U.S. citizens and personnel and issued travel restrictions after escalation of the Yemen blockade of Saudi airspace. Sources and uncertainty: Reported by Khabar Fouri and Etemad newspaper. Details: The embassy warned of a high risk of intensified hostilities and attacks on airports, and cautioned about widespread flight cancellations and Saudi airspace closures. It prohibited U.S. government staff from traveling within a 20-mile radius of the Yemen border. It also said travel to Jizan, Asir, Najran provinces and the cities of Qatif, Yanbu and Taif requires special security clearance.