"I don't condone violence," Trump told CBS' "Face the Nation" and took a similar stand on other Sunday talk shows.
"It is a shame that it happened. And I feel badly for everybody concerned. And we don't condone violence," he told Fox News Sunday in another interview.
Trump insisted that there is provocation from the protesters in his rallies.
"The one guy was a bad dude, he was swinging, he was hitting people, he was a very bad guy, and the police came in and they really were very effective. And frankly some of the audience members had no choice but to be effective and I didn't mind that at all. Or they would have been hurt, frankly," he told CBS news.
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The 69-year-old real estate tycoon's Chicago rally on Friday was cancelled amid chaos as rivals Ted Cruz and Marco Rubio blamed Trump's political discourse for creating an atmosphere of hatred and animosity. Yesterday, a protester tried to storm the stage while Trump was speaking at a rally in the US state of Ohio.
"I think, in many cases, I do lower the temperature. I tell the police, please take it easy when people are punching the police and trying to hurt people. When I say things like "I would like to punch him," frankly, this was a person that was absolutely violent and was like a crazed individual.