Riyadh airport hit again after deadly Houthi missile attack, Saudi authorities say

Unidentified projectile strikes King Khalid airport, killing one and injuring 11, as escalating attacks threaten to draw more countries into Yemen conflict

• Analysis: attack will force rethink of Trump strategy

A projectile hit a passenger terminal at the airport in Riyadh on Sunday, the day after a deadly missile attack on the facility carried out by Yemen's Iran-backed Houthi rebel group killed 13 people.

An unidentified projectile hit terminal 4 at King Khalid international airport, starting a fire, killing one person and injuring 11, according to Saudi civil aviation authorities. Air defences also intercepted a cruise missile in the vicinity of the airport. It was the latest of several attacks on the airport in the past week.