A red SUV hit pedestrians partaking in a Christmas parade in Waukesha, Wisconsin, according to witnesses and video footage of the incident, officials said. The footage, which was live-streamed and posted on the City of Waukesha’s Facebook page, shows the SUV speeding into the parade behind a school marching band. Other videos were uploaded elsewhere, including one that allegedly shows the SUV breaking a police barricade. One video (disturbing) appeared to show the SUV running over people who were partaking in the parade. Waukesha Police Chief Dan Thompson told reporters that 20 people were injured in the incident. “Very tragic incident, very chaotic,” he said of the crash, without elaborating on more details. When asked about a possible suspect, Thompson said police are looking into a person of interest. It’s not clear if that person is in custody. “We have a person of interest that we are looking into at …