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Trains have been delayed after a lorry hit a railway bridge near Northfleet.
Southeastern says the line between Ebbsfleet, Northfleet, and Gravesend is now blocked in both directions due to damage caused.
Passengers are advised that they can use tickets on FasTrack buses between Dartford and Gravesend to complete journeys, at no extra charge.
Network Rail South East say a specialist contractor has been called to assess damage.
Read more: All the latest news from Gravesend
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