Residents of Kibera slum show their empty hands to riot police of General Service Unit (GSU) in Nairobi December 30, 2007. Opposition leader Raila Odinga called on Sunday for his rival President Mwai Kibaki to concede defeat in an election -- but a confident government party laughed that off as Kenyans waited anxiously for final results. REUTERS/Noor Khamis (KENYA)
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