A voter in Iowa.
Media playback is unsupported on your device
Video

US elections 2016: Candidates in final pitch before Iowa vote

Today people in Iowa will vote on the candidates for the two main parties ahead of the US Presidential election.

Turn out will be key for Donald Trump who continues to lead the field for the Republican race.

Gary O'Donoghue reports from Des Moines.

  • 01 Feb 2016
Go to next video: Find Bernie! On a candidate crawl in Iowa