Wisconsin primary live: Bernie Sanders and Ted Cruz projected to win

Exit polls show healthy leads for both Mr Sanders and Mr Cruz.

Voters line up in Wisconsin on Tuesday. (Darren Hauck/Getty)

As results for the Wisconsin presidential primary pour in, Bernie Sanders and Ted Cruz have been projected as the respective winners.

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There are 42 delegates up for grabs on the Republican side. Donald Trump enters the contest with 727 out of 1,237 delegates needed to win the Republican nomination. Cruz trails with 475 delegates while John Kasich is hanging on for dear life with 143 delegates.

For the Democrats, there are 86 delegates at stake. Hillary Clinton leads with 1,712 delegates compared to Sanders' 1,011 delegate count.