Under Iowa's Democratic caucus guide ties between two or more candidates can be determined by coin toss
The Iowa Democratic Party dismissed allegations partisan campaign teams counted the result
The first vote of the 2016 presidential election, the Iowa caucuses shows puts Ted Cruz in pole position for the head of the Republicans
The Sanders camp claimed victory as Trump attempted to seem fine with second place
The first test of support for the Republican and Democratic hopefuls is upon us
Donald Trump is battling Senator Ted Cruz for the devotion of evangelicals
Clearly it’s a good thing Democrats and Republicans hold their caucuses separately - Iowans have a reputation for decency, but there are limits
Mr Sanders said he is on the cusp of 'one of the biggest political upsets in modern history'
The polls have Hillary Clinton and her Democratic rival Bernie Sanders too close to call in Iowa.
The former president introduced his wife in the city of Davenport
22 emails on Ms Clinton’s unsecured home server contained closely guarded secrets
The favourite for her party’s nomination is trying to inject positivity into her campaign, but voters aren’t buying it
The former outsider for the Democratic presidential nomination is now level in polls with Hillary Clinton
The former Secretary of State is neck and neck with the Vermont Senator in Iowa and New Hampshire, the first two states to decide who to nominate for the White House
Sanders skillfully fended off Clinton’s attacks and emerged from the debate stronger than ever
A new poll shows that younger Democrats prefer Mr Sanders by a ratio of two-to-one