Trains from Orpington to London may be delayed until 2pm
Trains between Orpington and London Bridge may be delayed this afternoon.
The issues have been caused by a signalling problem at Chislehurst .
Trains running from Orpington into London may be delayed by up to 15 minutes as all trains are having to use one line towards London.
Some services might be revised.
The disruption is expected to last until 2pm today.
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