https://www.mercurynews.com/2022/07/04/police-respond-shooting-at-july-4-parade-in-chicago-suburb/

CHICAGO (AP) — Police are responding to a shooting at a July Fourth parade in a Chicago suburb, authorities said Monday. Authorities have not officially reported any casualties, but witnesses described seeing bloodied bodies apparently covered with blankets.

The Chicago Sun-Times reported that the parade began around 10 a.m. but was suddenly halted 10 minutes later after shots were fired. Several witnesses told the newspaper that they heard gunfire.