NAIROBI, Kenya, January 22, SPA -- Former U.N. Secretary-General Kofi Annan was due in Kenya on Tuesday to mediate a dispute over the country's presidential election, which triggered riots and ethnic fighting that killed more than 600 people, according to a report of the Associated Press. The Dec. 27 election returned President Mwai Kibaki topower for a second five-year term, with official resultsputting opposition leader Raila Odinga second in theclosest presidential race in Kenya's history. Annan was due to arrive late Tuesday to try to bring thetwo sides together, as U.S. Ambassador Michael Ranneberger urged a political settlement. «The tragedy Kenya is now suffering, and the extremelybitter polarization of Kenyan society, demands that allleaders and institutions speak in a responsible, respectfuland dignified tone,» Ranneberger said in a statement.--SPA www.spa.gov.sa/520003