20181030arDaySchoolVigil October 30, 2018 • 2600 × 1733 • A portrait of the ‘darkest day in Pittsburgh’s history’ Olga Greg and her daughter Milana listen during a vigil at the Jewish Community Day School in remembrance for the Tree of Life synagogue victims on Tuesday, Oct. 30, 2018, in Squirrel Hill. (Andrew Rush/Post-Gazette)