What to know

• The Iran-backed group claimed multiple attacks over the last 24 hours, including on the airport, and threatened to keep targeting the kingdom's transit hubsS1
• A fresh Houthi strike hit Riyadh’s international airport on Sunday, a day after another attack claimed by the Yemeni group killed at least a dozen people and forced authorities to suspend operations at the facility. Saturday’s attack, the deadliest on Saudi so...S2