A 4-year-old girl from the same family was killed in that crash. Faith Williams, 4, of Dolton, died after the crash in the 1400-block of E. Sibley Blvd. She was pronounced dead at the University of Chicago Comer Children's Hospital at 6:59 p.m. Saturday.
Police say all four were riding in a black Ford SUV when it was struck from behind by a silver Hyundai.
The driver of the Hyundai was also hospitalized.
So far, no citations have been issued.
