The General Authority of Civil Aviation extended the suspension of operations at King Khalid International Airport in Riyadh to complete the necessary procedures to verify the safety of the facilities and their operational readiness, according to Reuters, in a text republished by Middle East Eye.

A new attack hit Riyadh’s international airport on Sunday, a day after another attack on the airport killed at least 12 people and injured more than 300, according to France24. US government employees in Saudi Arabia now require special authorization to use the airports in Riyadh, Jeddah and Dammam, according to Sputnik. The United Kingdom updated its official guidance on Sunday to advise against all but essential travel to all airports in Saudi Arabia except Medina International Airport.