CHICAGO (CBS) — Police are looking for a suspect they say is involved in a hit-and-run incident that killed a nine-year-old boy.

Police released surveillance video showing a clip of a car that witnesses described hitting a 29-year-old mother and her two children before fleeing the scene.

fatal hit and run Police Search For Suspect In Fatal Hit And Run

Surveillance video shows a clip of a car witnesses described as hitting a 29-year-old mother and her two children before fleeing the scene.

86th and cicero Police Search For Suspect In Fatal Hit And Run

The three were crossing 86th Street and Cicero Avenue Saturday night when a gray four-door vehicle hit them.

9-year-old Caleb Bell died a few hours later.

His mother and younger sibling were seriously injured.