No trains are running on the Abbey Flyer this evening.
The shuttle service between Watford Junction and St Albans Abbey has broken down, blocking the line.
There are not expected to be any more trains until the end of the day.
Passengers can use their tickets on the Arriva Bus 321.
To follow the incident on Twitter, use #StAlbansAbbey
For more information visit www.nationalrail.co.uk/service_disruptions/190731.aspx
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