A broken down train between Shortlands and Elephant and Castle is blocking northbound lines.
Trains between London Victoria and Bromley South are likely to be cancelled or delayed at short notice.
Disruption is likely to last until after 1pm and Thameslink is advising you to find alternate routes.
The following stations currently have no Northbound services via Catford:
•Shortlands
•Ravensbourne
•Beckenham Hill
•Bellingham
•Catford
•Crofton Park
•Nunhead
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here