Services at London Euston will be disrupted (Stefan Rousseau/PA) (PA Wire)
A train derailed near Milton Keynes, specifically in Bletchley, causing significant disruption to rail services.
The low-speed derailment occurred on Thursday with no passengers on board and no injuries reported.
Major disruption is expected until the end of the day, affecting services from London Euston on the West Coast mainline.
Trains to destinations including Manchester, Glasgow, Chester, Edinburgh, and Liverpool are experiencing delays of up to 90 minutes or cancellations.
Passengers are advised to check for alternative routes and ticket acceptance on other services provided by London Northwestern Railway and Avanti West Coast.