CHICAGO (CBS)– CTA Red Line riders heard what sounded like an explosion on the tracks overnight.
Police said around 1:30 a.m., a part fell off a train and hit the third rain near State Street and Jackson Boulevard.
The train part sparked and caused a loud noise.
“We just heard a loud boom and everybody was like what was that?” A witness told CBS 2.
No injuries were reported, but passengers had to evacuate.
Trains are now running without issues.
Source: ChicagoCBS
