Smoke billows from the Faj Attan Hill after a reported airstrike by the Saudi-led coalition on an army arms depot, now under Huthi rebel control, on April 20, 2015, in Sanaa, Yemen. (Mohammed Huwais, AFP/Getty Images)
Yemeni President Abdel Rabbo Mansour Hadi arrives at an airbase in the Saudi capital of Riyadh on March 26, 2015.
(Handout, AFP/Getty Images)
Armed Yemeni supporters of the southern seperatist movement stand next to a tank bearing the movement’s flag which they confiscated from a military depot in Aden on March 27, 2015.
(Saleg al-Obeidi, AFP/Getty Images)
Saudi Defence Minister Prince Mohammed bin Salman bin Abdul Aziz al-Saud (left) receives Yemeni President Abed Rabbo Mansour Hadi upon his arrival at an airbase in the Saudi capital, Riyadh.
(Handout, AFP/Getty Images)
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Saudi Brigadier General Ahmed Asiri, a spokesman for the Saudi-led coalition forces, speaks to the media next to a replica of a Tornado fighter jet at the Riyadh airbase on March 26, 2014.
(Fayez Nureldine, AFP/Getty Images)
Yemenis drive in a car loaded with their belongings in the Yemeni capital as they move to a safer place on March after Saudi air strikes against rebels near Sanaa Airport. (AFP/Getty Images)
Yemeni Houthi fighters stand at the site of a Saudi air strike against rebels near Sanaa Airport. (AFP/Getty Images)
Yemen’s President Hadi has been transferred to a “secure location within Aden” an official said on March 25, 2015. (Paul J. Richards, AFP/Getty Images)
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Members of the Shiite Houthi movement man a checkpoint near the presidential palace in the capital Sanaa on Jan. 21, 2015. (AFP/Getty Images)
A member of the Shiite Houthi movement mans a checkpoint near the presidential palace in Sanaa, the Yemeni capital, on Jan. 21, 2015. (AFP/Getty Images)
A wounded Yemeni rests at a hospital in Sanaa on Jan. 21, 2015, after he was injured in fierce clashes the previous day between members of the Shiite Houthi movement and the presidential guard near the presidential palace. (AFP/Getty Images)
A member of the Shiite Houthi movement mans a checkpoint near the presidential palace in the capital Sanaa on Jan. 21, 2015. (AFP/Getty Images)
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A tank is positioned next to home of Yemeni President Abed Rabbo Mansour Hadi in the capital city of Sanaa on Jan. 21, 2015. (AFP/Getty Images)
A Yemeni man surveys his home, which was damaged in the fighting between members of the Shiite Houthi movement and the presidential guard, near the presidential palace on Jan. 20, 2015. (Mohammed Huwais, AFP/Getty Images)
Yemeni President Abed Rabbo Mansour Hadi, shown in 2013, was unharmed after Houthi rebels shelled the presidential palace Jan. 20, 2015, officials said. (AFP/Getty Images)
