CHICAGO - At least 16 people were shot, one fatally, in gun violence across Chicago Thursday. The fatal attack occurred on the South Side. About 12:50 p.m., a 22-year-old man was in the 6500 block of South Peoria Street when a gray Audi drove by and someone inside opened fire, Chicago police said. Kevin Stephens was struck twice in the head and taken to the University of Chicago Medical Center, where he was pronounced dead, police and the Cook County medical examiner’s office said. The Audi fled south on Peoria after the shooting, police said.