NAIROBI, Kenya—Escalating a political crisis in East Africa’s biggest economy, Kenya’s opposition leader Raila Odinga said Wednesday he will challenge the result of last week’s election in the Supreme Court and promised to show evidence of mass fraud that led to his opponent, incumbent President Uhuru Kenyatta, being pronounced the victor. In a U-turn from last week’s statements, where Mr. Odinga and his top lieutenants said they wouldn’t go to court because they had lost a similar case against Mr. Kenyatta in the 2013...

Source: Wall Street Journal August 16, 2017 15:14 UTC