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Lines reopened: disruption between London St Pancras International / London Kings Cross and Stevenage expected until 20:45 

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Service alteration details

Incident reported: Tuesday 07 October 2025 at 17:22

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Last updated

Tuesday 07 October 2025 at 19:27

Train operators affected

Route(s) affected

Great Northern between Moorgate and Welwyn Garden City, and also between London Kings Cross and Letchworth Garden City / Cambridge / Peterborough / Ely / Kings Lynn

Thameslink between Horsham and Peterborough, between Brighton and Cambridge, and also between Sevenoaks and Welwyn Garden City

Description

Lines have reopened following a passenger being taken ill on a train at New Southgate. As services recover, trains between London St Pancras International / London Kings Cross and Stevenage may still be delayed by up to 20 minutes.

Disruption is expected until 20:45.

Customer advice:

Trains which run between Alexandra Palace and Welwyn Garden City may still be delayed up to 20 minutes as teams work to get trains back on time in this area. If you are travelling now, you may need to wait longer for a train towards your destination, or change trains more times than usual en route.

Trains which run between Moorgate and Welwyn Garden City will now run as booked and will call at their usual stations.

You may find that using an alternative route will help you complete your journey. To keep you moving, your ticket will be accepted on the following services at no extra cost;

  • Alternative Thameslink services via any reasonable route

  • Alternative Great Northern services via any reasonable route

  • London Buses between Finsbury Park and Potters Bar

Please be advised that, depending on your journey, it could take 20 minutes longer than usual to reach your destination.

Please check journey planners and station information boards before you travel and allow extra time to reach your destination.

You can see the Great Northern live departure boards, and view a live map of the network.

You can also view an alternative route guide.

You can see the Thameslink live departure boards, and view a live map of the network.

You can also view an alternative route guide.

If you're travelling in the London area, you can plan journeys on alternative routes by using the TfL Journey Planner.

You can also use the Great Northern or Thameslink app to find up-to-date travel information.

Can you tell me more about the incident?

Earlier today, a passenger was taken ill on a train between Alexandra Palace and Welwyn Garden City. Great Northern and Thameslink staff and the emergency services worked to make sure the person was provided with medical attention as quickly as possible.

If a passenger falls ill, staff will assess the situation. Emergency services may ask operators to keep them on the train until help arrives, which can cause delays. Once it's safe, they'll be assisted off the train.

If you're unwell, please don't board a train. It's easier to get help at a station from staff or by using the green Emergency button at a Help Point.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.