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All train lines at London Bridge station were disrupted this morning after a passenger fell ill on board a train.
National Rail confirmed on Twitter that all services were affected around 8 am today (June 12).
As a result, there are delays of up to 15 minutes on services running between London St Pancras International and London Blackfriars.
In an update at 9am, National Rail announced that disruption is now expected to last until 10am.
The railway service has urged commuters to allow extra time for their journeys, as there may be alterations to some services.
Meanwhile, Finsbury Park station also experienced severe delays this morning due to a signal failure across the Victoria line.
All services on the Victoria line are expected to be heavily disrupted until around 9.30am.
National Rail has advised passengers to check for updates and plan accordingly.
