Police and the ambulance service have been on the scene at Welwyn Garden City train station.
British Transport Police were called to the station at 9.56 am.
A spokesperson said it was “following concern for the welfare of a female.
The ambulance service was also called to the scene, and police confirmed that paramedics have taken her to a place of safety.
Great Northern is not reporting any delays or cancellations.
Updates to follow.
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