"Occupy" movement participants and an array of protest groups are among those gathering in Chicago this wekeend to demonstrate outside the NATO summit. Sunday, protesters are ramping up for the largest demonstration of the weekend. So are police and Homeland Security agents. Today, thousands of demonstrators are marching to the convention center where President Obama and other world leaders are meeting. Four men have been arrested on terror charges. Lawyers for the men now referred to by some protesters as the "NATO 4" claim undercover agents set up a bomb plot, and entrapped the suspects.
Saturday night, at about 10:40PM local time, a Chicago Police van "drove into a crowd of demonstrators who were attempting to cross westbound over the Jackson Street bridge at the Chicago River," according to this video report and testimony from people who were present.