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All train services between Sevenoaks and Hildenborough have been cancelled this morning following a blockage on the line.
Southeastern passengers are experiencing long delays on the service due to a large tree branch being stuck under a train near Sevenoaks.
Trains running through the stations may be cancelled or revised and services between Hastings and London are also being affected.
Southeastern staff are working to resolve the problem and the cancellations are expected to continue until 1pm.
Replacement buses have been requested and will be available from around 12.30pm.