It is not clear what led to the disruption, but the transit service said crews were working to restore service.

Just before 9 a.m., Red Line trains were standing near the station at 1118 W. Argyle St. after a man was shot, officials said ...

CHICAGO (WLS) -- The CTA Red Line was halted due to police activity on the city's North Side. Red Line trains were standing at 9 a.m. near Argyle and Broadway due to police activity, according to the ...

Chicago Police seek public aid in identifying suspects in a Red Line robbery near 47th St on September 7, requesting ...

A shooting on Chicago's Red Line caused delays after a man was shot in the arm; a suspect was arrested and a firearm ...

Red Line CTA trains were at a standstill Tuesday after a man was shot in Chicago's Uptown neighborhood, officials said.

CHICAGO - A woman shot a man on a CTA Red Line train Wednesday morning, prompting major delays on Chicago's North Side.

A woman was arrested after spitting on and then shooting a man during morning rush hour Wednesday on a northbound train ...

Red Line trains were delayed on the North Side Wednesday morning. According to the CTA just after 8:50 a.m., all Red Line ...

A shooting on a CTA Red Line train that left a man wounded Wednesday morning led to massive delays as concerns over safety ...

Red Line trains are delayed on the North Side Wednesday morning. According to the CTA just after 8:50 a.m., all Red Line trains are standing at the Argyle station due to police activity.

Red Line trains are delayed on the North Side Wednesday morning. According to the CTA just after 8:50 a.m., all Red Line ...