The raids are part of a broader Saudi effort to block a Houthi offensive toward the Kahboub Mountains and the Bab al-Mandeb strait following the rebel seizure of Mocha. In Riyadh, authorities have shifted schools and colleges to remote learning for one week through Thursday. This abrupt closure was communicated to parents via email and follows the Sept. 26 interception of two drones launched by the Houthis toward the Saudi capital.
