Services running between Mottingham and Lee may be delayed or disrupted this afternoon.
Network Rail have reported signalling issues between the two stations.
The fault, which first arose this morning, was thought to have been fixed but has since recurred.
Trains towards London may be delayed between 5 and 10 minutes or altered.
For updates follow:
https://twitter.com/Se_Railway
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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