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All clear given after suspicious envelope delivered to Chicago federal building

The Chicago Fire Department's hazmat team responded to the Kluczynski Federal Building for a suspicious letter Friday morning.

Oct 23 (00:22)

Chicago weather: Lake effect snow, wind chills in the 20s overnight

Chicago weather: Lake effect snow, wind chills in the 20s overnight

Alpha Chicago, new private school downtown, uses AI to teach students

Alpha Chicago, new private school downtown, uses AI to teach students

Nationwide Microsoft outage takes down Outlook email, other programs for hours

Nationwide Microsoft outage takes down Outlook email, other programs for hours

16 businesses in Wilmette hit by burglars within less than 30 minutes

16 businesses in Wilmette hit by burglars within less than 30 minutes

3 top-ranking Chicago Police Department members named superintendent finalists

3 top-ranking Chicago Police Department members named superintendent finalists

2 firefighters hospitalized after fall, resident injured in Chatham fire

2 firefighters hospitalized after fall, resident injured in Chatham fire

Snow plow “dry run” helps Lake County crews prepare for winter weather

Snow plow “dry run” helps Lake County crews prepare for winter weather

New mural transforms Fulton Street viaduct in West Loop neighborhood

New mural transforms Fulton Street viaduct in West Loop neighborhood

Road salt is bad for the environment. An Illinois nonprofit has an alternative.

Road salt is bad for the environment. An Illinois nonprofit has an alternative.

Chicago weather: Lake-effect snow overnight along Illinois-Indiana state line

Chicago weather: Lake-effect snow overnight along Illinois-Indiana state line

Children killed in Western Springs train crash remembered by school

Children killed in Western Springs train crash remembered by school

North Park University dorm catches fire, students must be relocated

North Park University dorm catches fire, students must be relocated

Developers pitch new Chicago Bears stadium, neighborhood rebuild at Michael Reese Hospital site

Developers pitch new Chicago Bears stadium, neighborhood rebuild at Michael Reese Hospital site

Students return to Silver Rail Elementary School in Oregon after October shooting

Students return to Silver Rail Elementary School in Oregon after October shooting

1 killed, 4 wounded in mass shooting at gym in Washington, D.C.

1 killed, 4 wounded in mass shooting at gym in Washington, D.C.

Nvidia CEO Jensen Huang resigns in wake of affair with suspected Chinese spy

Nvidia CEO Jensen Huang resigns in wake of affair with suspected Chinese spy

Microsoft outage shuts Outlook down for users across the country

Microsoft outage shuts Outlook down for users across the country

Partial building collapse under investigation in Aurora

Partial building collapse under investigation in Aurora

Winter Weather Advisory issued for parts of Chicago suburbs, all of Lake County, Indiana

Winter Weather Advisory issued for parts of Chicago suburbs, all of Lake County, Indiana

Winter Weather Advisory issued for Lake County, Indiana, for lake effect snow

Winter Weather Advisory issued for Lake County, Indiana, for lake effect snow

Holiday meal tips with Mariano's

Holiday meal tips with Mariano's

Adopt Famous Dave from Tails Together

Adopt Famous Dave from Tails Together

Developers pitch revised $10B new Chicago Bears stadium at Michael Reese Hospital site

Developers pitch revised $10B new Chicago Bears stadium at Michael Reese Hospital site

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