As of Wednesday evening, Brown and Purple Line trains continued to bypass the Sedgwick stop near North Avenue in Old Town, the CTA said.
Shuttle buses were available between Southport and Clark/Lake, the CTA said.
The CTA said there was a "medical emergency on the tracks."
Chopper7 was over the scene as first responders appeared to move a woman from the train tracks to a CTA platform.
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No further information was immediately available.