Who Is Behind Iran-Backed Houthi Threats To Attack Saudi Arabia?

The Iranian-backed Houthis will attack Saudi Arabia if it continues to allow U.S. warplanes to use its territory for military strikes against the Yemeni rebel group. Having taken control of the Yemeni capital of Sanaa in 2014, the Houthis are now building up their military presence for a push on the country’s principal oil and gas region of Marib. The group has also been stepping up its attacks on oil ships passing through the key transit routes in and around the Red Sea, including the crucial chokepoint of the Bab-el-Mandeb Strait. This…