In this photo provided by the Saudi Press Agency (SPA), Yemen’s President Abed Rabbo Mansour Hadi, left, walks with Saudi Defense Minister Mohammed bin Salman as he arrives in Riyadh, Saudi Arabia, Thursday, March 26, 2015. Yemen’s Shiite rebels, known as Houthis, have taken over Yemeni capital, Sanaa. Hadi, was forced to flee to the southern port of Aden. But as the Houthis and their allies bore down on Aden, He left the country for Oman and then was flown to Saudi Arabia, according to security officials. (AP Photo/SPA)