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Somalis displaced by famine wait to receive rations at a displaced camp in Mogadishu, Somalia, Monday, July 25, 2011. Some thousands of people have arrived in Mogadishu seeking aid and The World Food Program executive director Josette Sheeran said Saturday they can't reach the estimated 2.2 million Somalis in desperate need of aid who are in militant-controlled areas of Somalia.(AP Photo/Mohamed Sheikh Nor)

Aid workers rush to help East Africa's hungry

Officials warn as many as 800,000 children could die across the Horn of Africa due to hunger and drought. (AP)