The South Sudan delegation, including Vice-President Riek Machar Teny-Dhurgon (second from right), are congratulated by a delegate as they take their seats after the U.N. General Assembly voted to admit the newly formed nation. Stan Honda/AFP/Getty Images hide caption

Sarura Ali (right) covered her eyes from wind-blown dust as she stood with her six children outside a food distribution point in the Dadaab refugee camp in northeastern Kenya on Tuesday (July 5, 2011). Sarura, her husband and their children trekked for eight days from their home in Sakow, Somalia. War and drought are forcing many Somalis to take desperate measures. Roberto Schmidt /AFP/Getty Images hide caption

Refugees in the village of Mayan Abun, southern Sudan, on Thursday (May 26, 2011). Pete Muller/AP hide caption

A man dressed in Southern Sudan paraphernalia — a pin and tie — celebrated the earlier announcement of the preliminary results. Phil Moore/AFP/Getty Images hide caption

Southern Sudanese rally on the streets of the southern capital, Juba, on Dec. 9, marking the one-month countdown until a landmark independence referendum is due. The vote could see Sudan's autonomous and mostly Christian south break away from the predominantly Arab and Muslim north. Peter Martell/Getty Images hide caption

Former NBA star Manute Bol, shown speaking at a March 2006 Sudan Freedom Walk rally in Philadelphia, played 10 seasons in the NBA and later founded a humanitarian group that promotes reconciliation in Sudan. He died Saturday at a Virginia hospital at age 47. Matt Rourke/AP hide caption