People search for survivors under the rubble of houses destroyed by Saudi airstrikes near Sanaa Airport, Yemen, March 26, 2015. (credit:AP Photo/Hani Mohammed)
(02 of12)
Open Image Modal
A Houthi Shiite fighter stands guard as people search for survivors under the rubble of houses destroyed by Saudi airstrikes near Sanaa Airport, Yemen, March 26, 2015. (credit:AP Photo/Hani Mohammed)
(03 of12)
Open Image Modal
Houthis hold up their weapons to protest against Saudi-led airstrikes, during a rally in Sanaa, Yemen, March 26, 2015. (credit:AP Photo/Hani Mohammed)
(04 of12)
Open Image Modal
A picture taken on March 28, 2015 in the capital Sanaa shows smoke billowing from the Faj Attan Hill following a reported airstrike by the Saudi-led Arab coalition against the Houthi rebels. (credit:MOHAMMED HUWAIS/AFP/Getty Images)
(05 of12)
Open Image Modal
Yemenis gather around a crater left following a reported airstrike on March 28, 2015 in the capital Sanaa on the third day of Saudi-led coalition airstrikes against Houthis. (credit:MOHAMMED HUWAIS/AFP/Getty Images)
(06 of12)
Open Image Modal
Shiite Houthi militia patrol the Sanaa International Airport on March 28, 2015. (credit:MOHAMMED HUWAIS/AFP/Getty Images)
(07 of12)
Open Image Modal
United Nations\' officials and foreign diplomats arrive at Sana\'a International Airport to leave the country as a Saudi-led Arab coalition stages an anti-Houthi offensive on March 28, 2015 in Sanaa, Yemen. (credit:Mohammed Hamoud/Anadolu Agency/Getty Images)
(08 of12)
Open Image Modal
Armed members of Shiite Houthi militia walk on the tarmac of the Sanaa International Airport, on March 28, 2015. (credit:MOHAMMED HUWAIS/AFP/Getty Images)
(09 of12)
Open Image Modal
An armed member of Shiite Houthi militia walks on the tarmac of the Sanaa International Airport, on March 28, 2015. (credit:MOHAMMED HUWAIS/AFP/Getty Images)
(10 of12)
Open Image Modal
People show pieces of a shell following the airstrikes by a Saudi-led Arab coalition as part of an anti-Houthi offensive on March 28, 2015 in Sanaa, Yemen. (credit:Mohammed Hamoud/Anadolu Agency/Getty Images)
(11 of12)
Open Image Modal
People gather at the site of an attack following the airstrikes by a Saudi-led Arab coalition as part of an anti-Houthi offensive on March 28, 2015 in Sanaa, Yemen. (credit:Mohammed Hamoud/Anadolu Agency/Getty Images)
(12 of12)
Open Image Modal
Yemenis swing the flags of gulf countries as they stage a demonstration to support Saudi-led \'Decisive Storm\' operation against Houthis in Ibb city of Yemen on March 28, 2015. (credit:Adil Al-Sharee/Anadolu Agency/Getty Images)