DOWNTOWN LOS ANGELES (KABC) -- A rally held by supporters of President Donald Trump turned tense in downtown Los Angeles amid a massive May Day march on Monday.
Tensions rose as demonstrators wearing masks, who identified themselves as anti-fascists, came face-to-face with Trump supporters outside the Edward Roybal Federal Building.
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One masked protester was arrested after burning an American flag and another man was arrested for throwing rocks at Trump supporters.
Officers formed a skirmish line between Trump supporters and demonstrators. Anyone who attempted to cross the skirmish line was detained.