Saudis reel from attacks as allies debate ‘involvement’

• Houthis fire missiles at Riyadh airport, airbases; kindergarten, clinic complex damaged by debris • Lufthansa, Air India suspend flights to Saudi capital; half of all departures cancelled • Nothing in Makkah pact bars members from joining Yemen fight, says Kh Asif • Ankara calls accord ‘purely defensive’, rules out sending troops; Syria weighs deployment RIYADH: Yemen’s Houthi forces escalated their campaign against Saudi Arabia on Thursday, attempting to shut down the kingdom’s airspace and oil facilities with missile fire that disrupted flights and damaged a kindergarten and medical…