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NEW YORK, NY - JUNE 22: Deputy crown prince of Saudi Arabia and Defense minister Mohammad bin Salman Al Saud (C) and UN Secretary General Ban Ki-moon meet at United Nations headquarters on June 22, 2016, in New York City. (Photo by Pool / Bandar Algaloud/Anadolu Agency/Getty Images)

NEW YORK, NY - JUNE 22:  Deputy crown prince of Saudi Arabia and  Defense minister Mohammad bin Salman Al Saud (C) and UN Secretary General Ban Ki-moon  meet at United Nations headquarters on June 22, 2016, in New York City. (Photo by Pool / Bandar Algaloud/Anadolu Agency/Getty Images)