Great Northern and Thameslink services between Welwyn Garden City and Stevenage have been disrupted due to a person being taken ill on a train.
The passenger was taken ill at Stevenage, which has blocked the Govia-run lines towards Welwyn Garden City.
Great Northern said on its website that the train line is expected to be disrupted until 8pm.
For more please go to greatnorthernrail.com/travel-information/plan-your-journey/service-update.
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