It is the seventh ballistic missile attack by the Yemeni Houthi rebels on the neighboring oil-rich Gulf state in two months.
On Tuesday, Houthis fired a ballistic missile toward a regional airport in Saudi border province of Jizan. Saudi state media reported the missile was intercepted and destroyed.
In March 2015, Saudi Arabia led a military coalition of Arab forces, backed by the United States, to intervene in Yemen's conflict to back the government of exiled President Abd-Rabbu Mansour Hadi.
The coalition has launched thousands of airstrikes on the Houthis, in attempts to roll back rebel gains and reinstate Hadi in the capital Sanaa.
The war has killed more than 10,000 Yemenis, mostly civilians, and pushed the country to the brink of mass famine.
