SANAA, YEMEN - MARCH 26: Saudi Arabia has launched military operations in Yemen, as part of a coalition of over 10 countries in response to a direct request from the legitimate government of Yemen on March 26, 2015 in Sanaa. Military commanders loyal to the Houthi group and former President Ali Abdullah Saleh have reportedly fled military sites in Sanaa following Saudi-led airstrikes in Yemen (Photo by Sinan Yiter/Anadolu Agency/Getty Images)