Trump protests on the campaign trail (29 images)

Since announcing his run for the Republican presidential nomination, businessman Donald J. Trump has courted controversy with his statements on Mexican immigrants and banning Muslims from entering the United States. His campaign rallies have seen a scattering of protests and on March 11, 2016, clashes between pro-Trump supporters and protesters erupted in Chicago, forcing the cancellation of the event by the Trump campaign out of security concerns.

A Trump supporter (left) and a Trump protester argue after Republican presidential hopeful Donald Trump cancelled his rally in Chicago because of a public safety issue on March 11, 2016. Voters in Illinois, Florida, Ohio, North Carolina and Missouri head to the polls on March 15 to vote in the Democratic and Republican Primaries. Photo by David Banks/UPI

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Trump protesters cheer after Republican presidential hopeful Donald Trump cancelled his rally in Chicago because of a public safety issue on March 11, 2016. Voters in Illinois, Florida, Ohio, North Carolina and Missouri head to the polls on March 15 to vote in the Democratic and Republican Primaries. Photo by David Banks/UPI

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Republican Presidential candidate Donald Trump points and yells for protesters to be removed while speaking to a full house at the Peabody Opera House in St. Louis on March 11, 2016. Photo by Bill Greenblatt/UPI

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A Trump supporter (right) and a Trump protester argue after Republican presidential hopeful Donald Trump cancelled his rally in Chicago because of a public safety issue on March 11, 2016. Voters in Illinois, Florida, Ohio, North Carolina and Missouri head to the polls on March 15 to vote in the Democratic and Republican Primaries. Photo by David Banks/UPI

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