Kasich beats Trump in Ohio
© Getty Images

Republican presidential candidate John Kasich is projected to win the Ohio primary, knocking off rival Donald TrumpDonald John TrumpOklahoma City Thunder players kneel during anthem despite threat from GOP state lawmaker Microsoft moving forward with talks to buy TikTok after conversation with Trump Controversial Trump nominee placed in senior role after nomination hearing canceled MORE to secure a critical victory that increases the likelihood of a contested convention.

Kasich's win gives him all 66 of the state's GOP delegates.

Fox News and CNN called the race at about 8:45 p.m. EDT, just over an hour after polls closed.

ADVERTISEMENT

The Ohio governor was fighting for his political life. He had said that he would end his campaign if he lost on his home turf Tuesday.

Kasich got a late assist on the trail from 2012 GOP presidential nominee Mitt Romney, who campaigned at his side.

And rival Marco RubioMarco Antonio RubioPompeo: Trump taking action on Chinese software firms 'in coming days' Bass: 'Lesson learned' on 2016 Castro comments Trump campaign targets Bass amid speculation over Biden VP pick MORE, who had practically no chance iof taking n Ohio, had told supporters in the state to vote for Kasich to try to keep the state's delegates out of Trump's hands.

Trump's loss makes it tougher for the businessman to clinch the nomination outright before the GOP convention. He gains no delegates from Ohio because of the winner-take-all rules.