Greater Anglia train on the Norwich to Cambridge route via Ely. (Class 170). Photo: Bill Smith (Image: Archant © 2012)
People travelling to King's Lynn from London are facing major disruptions this morning, due to an incident between Stevenage and Welwyn Garden City.
Emergency services are dealing with the incident, which has caused delays of up to an hour to journeys between London Kings Cross and Stevenage.
This includes services heading to King's Lynn, Cambridge and Peterborough.
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