Police said they responded at about 8:34 a.m. to the Harlem Avenue Blue Line stop.
Forest Park police said Tommie Carter, 39, punched a man in his late 50s.
The victim ended up on the tracks and nearly hit the third rail.
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An operator had to stop a train from hitting the victim.
The man fractured both knees.
Police said Carter spit on an officer as he was arrested.
Carter was charged with one count of attempted murder and three counts of aggravated battery to a police officer.
This was the second violent attack on the Blue Line in recent weeks.
Once again, the man charged is someone with a long criminal record, going back more than 20 years, who was on felony release when he allegedly pushed a man with a disability off a platform into the path of an oncoming train.
Prosecutors said Carter became upset after the victim turned down his requests for a dollar. Police said Carter was arrested on the platform, but not before putting up a fight.
In court, Carter called the allegations lies, saying the victim punched him first. But there's surveillance footage that investigators say captured the incident.
Much like Lawrence Reed, the man charged with setting fire to a young woman on a Blue Line train on Nov. 17, Carter has dozens of arrests to his name and has been in and out of prison since 2003. While most of the charges against him are drug-related, he most recently served two years in the Illinois Department of Corrections on a weapons charge. He was out on felony release following an October arrest after allegedly assaulting a state police officer outside the Citadel Center in the Loop.
Unlike Reed, Carter was not on electronic monitoring when this latest Blue Line attack took place. Prosecutors made a point Wednesday that monitoring cannot prevent crimes, just tell the court where the person being tracked is.
Chief Judge Charles Beach II on Tuesday, ordered a review of the EM program, just one day after taking the oath as the new chief judge of the Circuit Court of Cook County.
While there is surveillance footage of the incident, the Forest Park Police Department is saying they have no plans to release it.
The victim was last known to have been hospitalized at the Loyola University Medical Center.