Democrats' Iowa frontrunners Sanders and Buttigieg look to cement their momentum in nation's first primary

Candidates crisscross state in final push for votes in decisive White House primary; Sanders and Buttigieg lead the pack

February 11 primary sees Bernie Sanders and Pete Buttigieg battling to retain Iowa momentum while Democratic Party struggles to project unity

Warren, Biden, Klobuchar trail frontrunners as 62% of state precincts report votes, after day of chaos caused by technical issues at Democratic contest

As Democratic party suffers technical problems with results of first primary vote, Bernie campaign publishes its own unofficial tally, with Buttigieg 2nd, Biden 3rd and Warren 4th

Tens of thousands of the state's Democrats to deliver the first verdict on the party's 2020 presidential contender amid a crowded field

Campaigns, voters acknowledge sense of unknown as party begins choosing who to send for November face-off with Trump; former Secretary of State John Kerry denies considering run

With less than two weeks to first nominating contest in Iowa, congressional backings are beginning to trickle in

Newspaper says it chose the two most effective candidates from the moderate and progressive sides of the party, without stating a preference for either approach

Presidential hopefuls in debate say Trump made a mistake pulling US out of nuclear accord, and have voiced support for returning to deal as president