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Yemenis collect humanitarian aid from the World Food Program in Sanaa on March 16, 2016. Donors pledged more than $220 million of aid for war-torn Yemen at a three-day conference on the worsening humanitarian situation that ended in Feburay in Doha. The United Nations said more than 6,100 people had been killed in the fighting since March 2015, when a Saudi-led coalition, including Qatari forces, launched a military intervention in Yemen against Iran-supported Shiite Huthi rebels. / AFP / MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)

Yemenis collect humanitarian aid from the World Food Program in Sanaa on March 16, 2016.  
Donors pledged more than $220 million of aid for war-torn Yemen at a three-day conference on the worsening humanitarian situation that ended in Feburay in Doha. The United Nations said more than 6,100 people had been killed in the fighting since March 2015, when a Saudi-led coalition, including Qatari forces, launched a military intervention in Yemen against Iran-supported Shiite Huthi rebels.



 / AFP / MOHAMMED HUWAIS        (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)