Chicago police have issued an alert over an armed robbery on a CTA Blue Line train.
The incident occurred on a CTA Blue Line train at about 7:40 p.m. in the 500-block of South Kedzie Avenue, police said.
Police shared surveillance photos of three suspects and said one of the men pulled a handgun on a passenger in West Garfield Park.
The other two suspects held the train doors open for a quick escape after the robbery, police said.
Police are reminding the passengers to stay vigilant. Anyone with information is asked to contact Public Transportation Detectives at (312) 745-4447.
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