Sen. Marco Rubio on Saturday responded to clashes between Donald Trump’s supporters and protesters at the Republican frontrunner’s rally in Chicago, warning “this is what the Republican Party’s going to be defined by” if the billionaire businessman gets the nomination.

“I think we also have to look at the rhetoric of the frontrunner in the presidential campaign,” Rubio told reporters. “This is a man who in rallies has told his supporters to basically beat up the people who are in the crowd and he’ll pay their legal fees. Someone who’s basically encouraged the people in the audience to rough up anyone who stands up and says something he doesn’t like.” The Trump campaign had to cancel a rally in Chicago Friday after the clashes were reported. READ MORE