The mid-western stateÂ broughtÂ losses to the parties’ front runners, Republican Donald Trump and Democrat Hillary Clinton, as their main challengers scored big-margin victories.
“With 92 per cent of votes counted, Mr Cruz was leading Mr Trump by 49 per cent to 35 per cent in Wisconsinâ€™s Republican primary with the only other candidate, Ohio governor John Kasich, winning just 14 per cent of the vote,” reports Irish Times.
“In the Democratic race, Mr Sanders held a lead of 56 per cent to 43 per cent over Mrs Clinton with the same percentage of votes counted.”
Ted Cruz, the Republican senator from Texas, was highly supported byÂ a coalition of conservative critics of Mr Trump and Republican establishment opponents seeking to halt the New York billionaireâ€™s march towards the required 1,237 party delegates he needs to clinch the nomination.
â€śTonight is a turning point. It is a rallying cry,â€ť the 45-year-old senator told a victory rally in Milwaukee.
The Wisconsin resultsÂ prompted quite an agressive response from the Republican frontrunnerÂ who released a statement attacking his rival rather than appearing before television cameras after a heavy defeat.
The millionaireÂ denounced his Republican opponent calling him â€śLyinâ€™ Ted Cruzâ€ť and attributing his victory to the support of conservative talk radio show hosts and â€śthe entire party apparatus behind himâ€ť.
â€śTed Cruz is worse than a puppet – he is a Trojan horse, being used by the party bosses attempting to steal the nomination from Mr Trump,â€ť said the statement released by the businessmanâ€™s campaign team.
Exit polls unveiled thatÂ Trump’s opponent appeared to be popular amongst all the categories of citizens, almost all age groups as well as among college graduates and blue-collar workers, a key voter group that has handed Mr Trump a strong lead among delegates.
Clinton, who did not appear in public on Tuesday night, tweeted her congratulations to Sanders.
“Congrats to @BernieSanders on winning Wisconsin,” Clinton said on Twitter. “To all the voters and volunteers who poured your hearts into this campaign: Forward! -H.”
“Heading into Tuesday, Clinton led Sanders by 263 pledged delegates in the race for the 2,383 needed to be nominated at the party’s July convention in Philadelphia. She also has a big lead in super delegates, who are party leaders free to back any candidate,” Reuters remids.
“Sanders needs to win up to two-thirds of the remaining delegates to catch Clinton, who will keep accumulating delegates even when she loses under a Democratic Party system that awards them proportionally in all states.”