A man has died and a suspect is in custody after a fatal stabbing aboard a CTA Blue Line train Wednesday night.

A person was stabbed and critically wounded on a CTA Blue Line train near O'Hare International Airport Wednesday evening.

One person was critically injured after being stabbed on the CTA Blue Line on a train that was traveling from O'Hare, Rosemont police said. A suspect in in custody.

Five people were killed Wednesday night when a South Shore Line train collided with an SUV that reportedly drove around a railroad crossing barrier in Gary, police said.