A Chicago shooting on a CTA Red Line train early Wednesday morning left a man critically injured, officials said.

A 29-year-old man was shot and critically wounded on a CTA Red Line train Wednesday morning, Chicago police said.

Argument on Chicago Red Line train escalates to shooting, leaving one man critically injured. Shooter at large.

In a release, PRT says a portion of the Red Line will be closed between Tuesday and July 19 for a “safety-critical” project near Dawn Station. Crews will replace certain tracks that have been in ...