Former President Donald Trump cruised to victory in the Iowa caucus, warding off a late challenge from rivals Ron DeSantis and Nikki Haley and cementing his status as the clear Republican frontrunner in the race. News organizations including the Associated Press, CNN and CBS News called the contest for Trump about 30 minutes after caucuses opened at 7 p.m. Central time. 
Bloomberg's Kailey Leinz and Joe Mathieu report.
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