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 conflictAnalysis: attack will force rethink of Trump strategyA 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 Yemens Iran-backed Houthi rebel group killed 13 people.An unidentified projectile hit terminal 4 at King Khalid international airport, starting a fir...