A man gets sprayed with a chemical irritant as multiple fights break out between Trump supporters and anti-Trump protesters in Berkeley, California on April 15, 2017.  Hundreds of people with opposing opinions on President Donald Trump threw stones, lit fires, tossed explosives and tear gas and attacked each other with makeshift weapons as police stood by. / AFP PHOTO / Josh EdelsonJOSH EDELSON/AFP/Getty Images
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