UPDATE: Northern Line situation improving as now experiencing minor delays
UPDATE: Ticket acceptance for Northern Line passengers is now in place with Southeastern
UPDATE: Jubilee Line now experiencing minor delays. Severe disruption is still being experienced on the Northern Line.
Transport for London is advising passengers of severe delays on part of the Jubilee and Northern lines.
An earlier faulty train at West Ham is causing severe delays to Jubilee Line services at present.
Ticket acceptance is in place with London Overground, C2C, Docklands Light Railway, Elizabeth Line, Southeastern and London Buses.
Passengers for Northern Line services between Kennington and Camden Town are being advised of a signalling problem at London Bridge, which is causing severe delays.
Northern Line passengers can use London Buses to help complete their journey.
No time has been given for either line for a return to normal service.
Please check the TfL website for the latest travel advice.