The Amiri Red Sea was one of many boats ferrying refugees, including some Americans, escaping fighting in Yemen to nearby Djibouti, across the Gulf. Gregory Warner/NPR hide caption

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Hassan Farid, 23, was a medical resident at a big hospital in Yemen and is the son of a judge. It can be difficult and expensive to flee Yemen, and educated professionals are among the refugees who have reached the nearby African nation of Djibouti. Gregory Warner/NPR hide caption

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Jewish worshippers gather at a makeshift synagogue established by the Jewish Agency for Israel for Ethiopian Jews in Gondar, Ethiopia, in 2012. Jenny Vaughan/AFP/Getty Images hide caption

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In March, demonstrators in Nairobi demanded tougher punishment for assailants of women and girls. Anadolu Agency/Getty Images hide caption

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Al-Shabab recruits walk down a street on March 5, 2012, in the Somalian capital, Mogadishu, following their graduation. The militant group has transformed from being just a Somali group to a regional network in East Africa. Mohamed Abdiwahab/AFP/Getty Images hide caption

itoggle caption Mohamed Abdiwahab/AFP/Getty Images