A teenage boy and an elderly man were shot dead, and at least 10 people were wounded in separate attacks across Chicago on Thursday, including one near Millennium Park. The teen was found on a sidewalk by officers responding to a West Side Austin neighborhood shooting at 11:14 p.m. in the 5900 block of West Thomas.

Ahmad Smith, 17, had been shot in the “buttocks area” and was pronounced dead at the scene at 11:28 p.m., according to Chicago Police and the Cook County medical examiner’s office

. About 4:45 p.m. in the West Englewood neighborhood on the South Side, a 78-year-old man was walking home from a store when a car pulled up near 68th Street and Hermitage and someone inside opened fire, hitting him in the head. …