DOHA, October 11. /TASS/. An unidentified projectile hit Riyadh International Airport passenger terminal, causing a fire, spokesman for the Saudi-led coalition Turki al-Maliki said.

"An attack by an unidentified projectile on passenger terminal No4 at King Khalid International Airport," he said on X, adding that the attack was followed by fire.

The AFP agency reported earlier in the day that an explosion had been heard in the Saudi capital city of Riyadh.