Passengers are being warned to expect delays to their journey due to emergency services dealing with an incident at a train station.
LondonNorthwestern Railway says there is an incident at Milton Keynes which means train services running through the station could be cancelled, delayed, or revised.
Most services between Euston and Watford Junction are unaffected but anyone travelling north of Watford including Kings Langley and Hemel Hempstead are being advised to check the train timetable.
Rail tickets are being accepted on Chiltern Railway, East Midland Trains, GreatWestern Railway, Southern Raul, TfL buses, and London Underground, and Thameslink services via any reasonable route.
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