Overhead wires damaged between Sandy and Biggleswade means that some London-bound lines are blocked. Additionally, trains will have to run at a reduced speed through the affected area. Services will be delayed by up to 45 minutes, cancelled or revised.
Disruption is expected until 18:00.
Customer advice:
Great Northern and Thameslink
Great Northern and Thameslink services between St Neots and Stevenage are disrupted.
Please leave at least 20 minutes extra to complete your journey this afternoon.
To see if your route has been affected, please click here for the live journey planner.Â
LNER
You can use your ticket at no extra cost on Great Northern and Thameslink services between Peterborough, Stevenage and London Kings Cross.
Can you tell me more about the incident?
We have received reports of damage to the overhead wires near Sandy. Whilst this is investigated services will have to run at much slower speeds than normal and one line towards Stevenage is blocked.
 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.