Peaceful rallies turned into protests for a third night in Minneapolis.<br />With arson, looting, and vandalism, protesters expressed their rage over the death of an unarmed black man.<br />George Floyd was recorded on video gasping for breath while a white police officer knelt on his neck.<br />According to Reuters, Governor Tim Walz called in the National Guard to help restore order.<br />Local, state and federal law enforcement officials sought to ease racial tensions by vowing to achieve justice.<br />Four city police officers involved in the incident have been fired from their jobs.