Donald TrumpDonald TrumpMcMaster to South Korea: US will pay for missile defense system Comedian Hasan Minhaj blasts Trump, media at WHCA dinner White House correspondents' chief: 'We are not fake news' MORE asked the crowd at his Saturday rally in Orlando, Fla., to raise their rights hands and swear to vote for him in the presidential primary. 

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“Don’t forget you all raised your hand. You swore. Bad things happen if you don’t live up to what you just did,” the party front-runner said. 

Recent polls have shown Trump dominating rival Marco RubioMarco RubioOvernight Defense: Commander calls North Korea crisis 'worst' he's seen | Trump signs VA order | Dems push Trump to fill national security posts What’s with Trump’s spelling mistakes? Boeing must be stopped from doing business with Iran MORE in his home state. 

Voters head to the polls in Florida on March 15.