Hillary Clinton's narrow lead in the early returns of the Iowa caucuses has substantially decreased with more than 85 percent of the results in and Clinton leading rival Bernie Sanders by less than 1 percent.
88 percent of caucus results on the Democratic side have been reported with Clinton's early lead virtually vanishing, 49.9 percent to Sanders' 49.4 percent.
Failing to reach 1 percent statewide, former Maryland governor Martin O'Malley will reportedly suspend his campaign tonight.
Iowa's 54 Democratic delegates are awarded proportionally.
Watch continuing Democratic caucuses results here.