Iowa Caucuses 2016: Live Updates as Voting is Underway

PHOTO: Donald Trump speaks in Clinton, Iowa on Jan. 30, 2016, Ted Cruz speaks in Des Moines, Iowa, Jan. 31, 2016 and Hillary Clinton speaks in Ames, Iowa, Jan. 30, 2016.PlayGetty Images | Bloomberg via Getty Images
WATCH Iowa Caucuses 2016: Highlights From the Hawkeye State

Tonight marks the first major electoral event of the 2016 presidential cycle.

Iowa caucus-goers will be winnowing the presidential field -- and possibly ending a campaign for some -- or helping a dark horse candidate gain momentum.

Keep checking back for updates as the ABC News political team reports live from Iowa.

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