A man has been charged in the deadly CTA Pink Line shooting last month, Chicago police said. The shooting happened on a CTA Pink Line train at about 1:22 a.m. in the 100-block of North Wells Street in Dec. 23, according to police. Pedro Villarreal, 34 of Chicago, is accused of shooting two men, killing one, police said.

A police investigation is underway at the CTA Blue Line station in The Loop on Friday afternoon. A large emergency response was seen above the Washington CTA station on Dearborn Street just before 12:30 a.m. CBS News Chicago has reached out to the Chicago Police Department for more information.

Pedro Villarreal faces murder charges for a fatal shooting on CTA's Pink Line last month in the Loop, where he allegedly shot two men, killing one, during a dispute. He was also charged with trespassing and claims self-defense.

CHICAGO - A man was found stabbed to death at the Clark/Lake CTA station in the Loop early Saturday morning. Officers responded to the CTA Clark/Lake station in the 100 block of Lake Street a little before 2:30 a.m., according to the Chicago Police Department.

CTA Blue Line trains are delayed on Friday morning due to Chicago police activity near a downtown station, officials said.

CHICAGO (WLS) -- The CTA gave notice Wednesday about this weekend's downtown elevated track disruption, but many say they were caught off guard. Some people are opting for more expensive options to get in and out of the Loop. This weekend, some Loop ...

CTA Blue Line trains are delayed on Friday morning due to Chicago police activity near a downtown station, officials said.