According to Oak Park fire officials, paramedics were called to the Ridgeland Green Line station at approximately 7:24 p.m.
Officials say two individuals had jumped onto the tracks to take pictures at the station, and one of them touched the electrified third rail. It is believed the second victim was trying to assist the other victim.Feeling out of the loop? We'll catch you up on the Chicago news you need to know. Sign up for the weekly
A male patient was taken to an area hospital in critical condition, and went into cardiac arrest at the scene, authorities said. A female patient was also transported to an area hospital.