By Thomas Madison

In the video, below, St. Louis police struggle to break apart anti-Trump protesters who have locked their arms to resist arrest. The officers manage to separate them and remove them from the building. A scuffle outside the venue saw one protester bloodied and arrested. A total of 31 people were arrested.

Video, below: St. Louis police arrest a bloodied anti-Trump protester. The line to get into the 3,000-seat auditorium was a mile long. Overflow rooms were also filled, as well as loud speakers on the street outside the venue.

Video, below: Demonstrators, most, if not all Bernie Sanders supporters, clash with Trump supporters in Chicago. Donald Trump postponed the rally due to security and crowd safety concerns.