Trains between Dartford and London Bridge via Deptford are disrupted, this morning.
All lines were blocked between Deptford and Charlton until around 8am due to signalling problems in the London Bridge and Deptford area.
Trains are now able to run via Greenwich with delays of up to 20 minutes expected until 8.30am.
Passengers can use their tickets on local buses, London Underground and DLR at no extra cost.
You can follow this incident on Twitter user the hashtag #GreenwichLine.
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