A picture taken with a smart phone shows Syrian refugees queuing at one of the many UNHCR (United Nations Refugee Agency) registration centers in Lebanon. At the same time that civil wars and the Ebola outbreak are plaguing countries in Africa, Syrian and Iraqi refugees are seeking help from agencies. Joseph Eid/AFP/Getty Images hide caption

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South Sudan's President Salva Kiir (left) and rebel leader Riek Machar (right) shake hands and pray before signing an agreement of the cease-fire of the South Sudan conflict on Friday in Addis Ababa, Ethiopia. Elias Asmare/AP hide caption

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South Sudanese fleeing an attack on the town of Rank, on Saturday. The United Nations says when rebels seized the town of Bentiu, south of Rank, earlier this month, hundreds became victims of ethnically targeted killings. Mohamed Nureldin Abdallah/Reuters/Landov hide caption

itoggle caption Mohamed Nureldin Abdallah/Reuters/Landov

South Sudan's government-delegation leader Nhial Deng Nhial (left) and the rebel-delegation leader Taban Deng Gai shake hands after signing a cease-fire agreement in Addis Ababa, Ethiopia, on Thursday. STR/EPA /Landov hide caption

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A young, displaced girl cries after the relative she was with disappears into a row of latrines Sunday at a U.N. compound in Juba, South Sudan. Violence in the country has forced an estimated 70,000 people to take refuge in U.N. compounds. Ben Curtis/AP hide caption

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Tens of thousands of refugees are flocking to United Nations compounds like this one in Juba, while fears fester that fighting in the capital will resume. Tony Karumba/AFP/Getty Images hide caption

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South Sudanese seek refuge at the United Nations compound in the capital, Juba, on Sunday. Though Juba is mostly peaceful now, growing numbers are seeking shelter at the compound in fear the ethnic killings will resume. Tony Karumba/AFP/Getty Images hide caption

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Troops sent to South Sudan by the U.N. watch as men walk to a camp for refugees near Juba, the nation's capital. James Akena /Reuters /Landov hide caption

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