Israeli Prime Minister Benjamin Netanyahu speaks to supporters following the country's March 17 election. After a bruising campaign in which he faced considerable criticism, Netanyahu has taken a number of steps to try to ease tensions. Lior Mizrahi/Getty Images hide caption

itoggle caption Lior Mizrahi/Getty Images

A Houthi Shiite fighter stands guard Thursday as people search for survivors under the rubble of houses destroyed by Saudi airstrikes near Sanaa Airport in Yemen. Hani Mohammed/AP hide caption

itoggle caption Hani Mohammed/AP

People examine the rubble following an air strike near the airport in Yemen's capital Sanaa on Thursday. Saudi Arabia said it carried out bombing raids in neighboring Yemen as Houthi rebels, allied with Iran, continued their offensive in the country. Yemen's president fled the country Wednesday and was reported to be in Saudi Arabia on Thursday. Khaled Abdullah/Reuters/Landov hide caption

itoggle caption Khaled Abdullah/Reuters/Landov

A Houthi Shiite fighter stands guard as people search for survivors under the rubble of houses destroyed by Saudi airstrikes near Sanaa airport in Yemen on Thursday. Hani Mohammed/AP hide caption

itoggle caption Hani Mohammed/AP