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Memorials were held in Oak Brook and Chicago on Sept. 11, 2017, to commemorate the 16th anniversary of the Sept. 11 attacks.
Stacey Wescott / Chicago Tribune
Members of the Oak Brook Police Department honor guard stand ready to perform the three-volley salute during the 9/11 Patriot Day Memorial Ceremony on Sept. 11, 2017, in Oak Brook. Sept. 11 memorials
