Video shows pilgrims running in panic during Riyadh airport attack. A video showing Haj and Umrah pilgrims in white Ihram garments running in panic during a strike on Riyadh's King Khalid International Airport surfaced online, reports stated. A projectile hit Passenger Hall 4, causing a fire that killed a Pakistani resident and injured 11 others. The Houthi group claimed responsibility for the attack, reports added.