A Cook County Sheriff's Police officer struck a pedestrian with a squad car, critically injuring them on Milwaukee Avenue in Glenview. The investigation is ongoing and witnesses are urged to contact Glenview police.

A pedestrian is in critical condition after they were hit by a Cook County Sheriff’s Office vehicle Tuesday morning.

Police said, shortly after 5 a.m., a pedestrian was hit by a Cook County Sheriff's squad car in the 9800 block of Milwaukee Avenue.

A pedestrian was critically injured when a Cook County Sheriff's squad car hit them Tuesday morning in Glenview, Illinois.

The Cook County Sheriff's Office vehicle was left with visible front-end damage after the early morning collision on the 9800 block of Milwaukee Avenue. A boot from the victim was left in the roadway.