Texas Senator Ted Cruz handed a shock defeat to controversial presidential contender Donald Trump in the Iowa Republican caucuses while in the Democratic camp both Hillary Clinton and Bernie Sanders claimed victories as the race for the White House began on Tuesday.
Former technology executive Carly Fiorina formally entered the 2016 United States presidential race on Monday.
Following their abysmal performance in the Iowa caucus and New Hampshire primary, New Jersey Governor Chris Christie and former corporate honcho Carly Fiorina have ended their campaigns to seek the Republican US presidential nomination.
The 69-year-old billionaire reality TV star has now won three of the four early nominating states, after convincing wins in South Carolina and New Hampshire.
Democrat Hillary Clinton and Republican Donald Trump have both won the most states in the biggest day of the race for the US presidential nomination.
