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Saudi Foreign Minister Prince Saud bin al-Faisal bin Abdulaziz (C) attends a meeting of Arab foreign ministers in the Egyptian Red Sea resort of Sharm El-Sheikh on March 29, 2015. Egyptian President Abdel Fattah al-Sisi announced that Arab leaders have agreed to form a joint military force, on the second and final day of the summit. AFP PHOTO / MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)

Saudi Foreign Minister Prince Saud bin al-Faisal bin Abdulaziz (C) attends a meeting of Arab foreign ministers in the Egyptian Red Sea resort of Sharm El-Sheikh on March 29, 2015. Egyptian President Abdel Fattah al-Sisi announced that Arab leaders have agreed to form a joint military force, on the second and final day of the summit. AFP PHOTO / MOHAMED EL-SHAHED        (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)