Protest organizers at the NATO summit in Chicago said some protesters were injured in a clash with police late Sunday after a day of mostly peaceful protests. A Chicago city official, speaking off the record, told CNN protesters identified as aggressors were "extracted" after an estimated 50-75 protesters threw objects at police and refused to leave the area. A Chicago city official told CNN protesters identified as aggressors were "extracted" after an estimated 50-75 protesters threw objects at police and refused to leave the area. Approximately 20,000 protestors marched on NATO's biannual summit.
Loren Taylor sits in a chair in front of a Citibank branch during a protest of bank foreclosures on homeowners on May 16, 2012 in Chicago. The protest was held as part of weeklong demonstrations leading up to the NATO summit being held on May 20 and May 21 in Chicago. UPI/Brian Kersey
License photo