At least one incoming missile is said to have been intercepted, but reports are unconfirmed and not much detail

More:

  • Saudi air force said to have intercepted missile
  • above north eastern Riyadh

State television says now:

  • Saudi air defence intercepts ballistic missile in northeast Riyadh

Yemeni forces have claimed responsibility, saying they weer targeting King Khalid International Airport:

  • Houthi sources say they fired Qaher-2, Burkan-2H and Bader-1 missiles
  • Coordinated attacks on Najran airport, Riyadh International airport & Jizan Regional Airport

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Earlier news also reported on attacks on Israel - the Israeli Army said the Iron Dome system was activated to intercept incoming projectiles (Gaza gunfire, not missiles):

More (via Israel Army spokesman):

  • Iron Dome missile defense system activated by automatic gunfire from Gaza
  • No rockets were fired at Israel