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ADEN, YEMEN - MARCH 13: Yemeni people inspect wreckages after booby-trapped car hit a mess hall serving Yemeni forces trained by the United Arab Emirates (UAE) in Sheikh Othman district in Aden, Yemen on March 13, 2018. Three people were killed in the attack. (Photo by Wael Shaif Thabet/Anadolu Agency/Getty Images)

ADEN, YEMEN - MARCH 13: Yemeni people inspect wreckages after booby-trapped car hit a mess hall serving Yemeni forces trained by the United Arab Emirates (UAE) in Sheikh Othman district in Aden, Yemen on March 13, 2018. Three people were killed in the attack. (Photo by Wael Shaif Thabet/Anadolu Agency/Getty Images)