#democratriots #democratviolence #chicago #cpd Chicago Police Release Video Showing Moment They Say Sparked Violence During Protests CHICAGO (CBS) — Demonstrators and police clashed violently in Chicago again Saturday night following protests downtown. Sunday morning the Chicago Police Department tweeted a video they say shows the moment that sparked the violence. “The following video footage shows the initial incident that sparked yesterday’s violence and arrests, as well as the aggravated battery against a CPD officer with a skateboard. More video will be released throughout the day as it is receive,” police wrote.