** CORRECTS SPELLING OF SURNAME FROM OMONDI TO OMANDI ** In this photo taken Tuesday, March 15, 2011, Stephen Omandi works at his stall selling maize in Kibera slum, Nairobi. Food prices are rising ... more 
** CORRECTS SPELLING OF SURNAME FROM OMONDI TO OMANDI ** In this photo taken Tuesday, March 15, 2011, Stephen Omandi works at his stall selling maize in Kibera slum, Nairobi. Food prices are rising across the globe, driven in part by the higher transport costs that accompany rising oil prices. But no region has been hit harder by rising food costs than Africa over the last three months. Wheat costs 87 percent more in Sudan. Rice is up 30 percent in Chad. Maize has risen at least 25 percent in Uganda, Somalia, Mozambique and Kenya. less 
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Associated Press | Photo By Khalil Senosi
Wed, Apr 20, 2011 9:03 AM EDT