Potters Bar station, Darkes Lane, Potters Bar. Picture: DANNY LOO (Image: ©2019 Archant)
A broken down train at Potters Bar is causing delays for travellers between London and Stevenage.
Govia-operated Great Northern service is experiencing delays to and from Kings Cross, St Pancras International and Moorgate of up to 15 minutes.
The disruption is expected to last until 1pm today.
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