The United Nations, Western nations and Saudi Arabia say Iran supplies the Houthis with long-range missiles capable of reaching Riyadh.
Saudi Arabia's air defence intercepted on Wednesday above Riyadh two ballistic missiles fired by Houthi rebels in Yemen, Al Arabiya television reported.
Tuesday's announcement that USA president Donald Trump was exiting his country from the Iran nuclear deal may have caused plenty of hand-wringing among crude analysts, but it didn't seem to overly bother Mohammad Barkindo, secretary general for the Organization of the Petroleum Exporting Countries (OPEC): when asked about the consequences of the brash billionaire's move, he told Reuters that his cartel's efforts to stabilize the oil market will be maintained.
Colonel Turki al-Maliki blamed the Iran-backed Houthi rebels in Yemen for the attack.
Driving schools for women have been set up across five cities in the conservative kingdom, and teachers will include Saudi women who obtained their licenses overseas.
The Houthis have become increasingly daring in their attacks on Saudi Arabia, including attempted strikes on the capital Riyadh.
There was no immediate word from the rebels, known as Houthis.
"The kingdom of Saudi Arabia is committed to support the stability of the global oil markets to serve the interests of both producers and consumers and also the sustainability of global economic growth", the ministry statement said.
Saudi Arabia has previously responded to missile attacks with airstrikes.
The coalition, which entered Yemen's war in 2015 to push back Houthi fighters who had taken over large parts of the country, said it had meant to hit senior Houthi leaders.