KHARTOUM, Sudan - A United Nations peacekeeper who was among a small group of reinforcements sent to Darfur was shot to death at his residence — the world body's first casualty since its long-negotiated arrival in the troubled region, officials said Saturday. Gunmen looted the home of the U.N. peacekeeper — an Egyptian lieutenant colonel — in El Fasher, the capital of North Darfur state, and fatally shot him late Friday, the African Union and U.N. said. "The senseless killing of an innocent man in the confines of his residence is beyond comprehension," said Hassan Gibril, the deputy head of...