A new attack struck a passenger terminal at Riyadh’s King Khalid International Airport on Sunday, starting a fire and injuring people, according to Middle East Eye.

Saudi Arabia’s civil aviation authority said the attack “resulted in injuries” but gave no figure, and confirmed there are casualties, according to Sputnik Globe. Houthi military spokesperson Yahya Saree renewed his warning against using Saudi airports and airspace, according to Middle East Eye.