![One person was killed and seven others, including three children, were injured in a crash Sunday on the Dan Ryan Expressway on the South Side.](https://media.nbcchicago.com/2019/09/dan-ryan-crash-w-3-kids.png?resize=320%2C180&quality=85&strip=all)
One person was killed and seven others were injured in back to back vehicle crashes Sunday on the Dan Ryan Expressway on the South Side, according to preliminary information from Illinois State police.
About 12:30 a.m. a vehicle occupied by four passengers crashed and rolled over on I-94 near 47th Street, according to Illinois State police.
Three people stopped on the expressway and tried to help the driver and a passenger get out of the rolled over car and about 12:35 a.m., a passing vehicle failed to slow down and struck them, state police said.
One of the three was pronounced dead at the scene of the crash, state police said. The other two people were taken to the hospital with life-threatening injuries.
The four people from the original crash were all taken to the hospital with non-life threatening injuries, state police said.
All lanes were shut down for an investigation about 12:40 a.m., state police said. They reopened about 6:15 a.m.