Spitting incident sparks shooting on CTA Red Line train: Police

CHICAGO (WBBM NEWSRADIO) - Chicago Police say one person is in custody after a shooting Wednesday morning on a North Side CTA Red Line train.

According to the police department, a 23-year-old woman spat on another passenger on a Red Line train near the Argyle stop and began arguing with him at around 8:40 a.m.

Then, police said she pulled out a gun and shot the 33-year-old man once in the shoulder.

Paramedics took the man to Ascension Saint  Francis Hospital in fair condition.

Police News Affairs said officers arrested the woman and recovered a weapon. No one else was injured.

The CTA halted trains for about an hour as police investigated.

The CTA has been testing a gun-detection system since late August, but a spokeswoman told us ZeroEyes uses surveillance cameras at stations, not onboard trains. They are not specifying which stations they are testing the gun-detection system at.

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