A Chicago police officer shot and killed a fellow officer during a tactical operation Thursday night, police said. CPD said ...

CHICAGO (WLS) -- An Air Quality Alert remains in effect Friday due to smoke from Canadian wildfires. The alert remains in effect for the area until midnight Friday. ABC7 Accuweather Meteorologist ...

The Chicago Transit Authority has released video from inside the Yellow Line train that collided with a piece of snow ...

Air quality remains the top concern in the Chicago area today, with levels still considered unhealthy for sensitive groups.

Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

Illinois environmental officials are warning residents about air quality concerns as wildfire smoke from Canada persists in ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

U.S. Attorney's office expands Project Safe Neighborhoods to cover Chicago's downtown and CTA system for crime prevention.

With the region’s transportation budget still on the line, riders face uncertainty.

A recall was issued for 1.7 million window air conditioners sold under 10 brand names due to reports of mold, which can lead to respiratory issues.

Chicago Police issue alert after a man committed public indecency at an ice cream shop in the Hegewisch neighborhood and seek ...