A signalling problem near Grove Park is causing problems for commuters this morning.

A problem at the depot is causing trains that run through Grove Park to be cancelled or delayed.

Trains that would normally exit Grove Park depot towards Orpington are using the London end route and then having the driver change ends at Hither Green station.

Trains that normally run from Grove Park depot towards Lee and Sidcup may be delayed due to late running from the depot.

Commuters are being advised to check their journey before they travel.

Delays are expected.