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A reduced service will operate on the Northern line today following resolution of problems with the emergency braking system on Northern line trains.
Please check realtime travel news for latest service updates.
Services will operate as follows:
* Golders Green to Kennington via Charing Cross; and * Finchley Central to Kennington via Bank.
Rail replacement bus services will remain in operation for the foreseeable future.
Services will be extended as soon as possible.
Passengers should check media travel bulletins, the TfL website www.tfl.gov.uk or the London Travel Information line 020-7222 1234 before travelling.
Further information will be issued this evening concerning Northern line services on Monday.
For 24-hour information on public transport in London, please call: 020 7222 1234.
TfL's Realtime pages display live travel information on London's public transport network: www.tfl.gov.uk/realtime
Journey Planner checks the transport network's status before providing results. The best available route is shown automatically: www.tfl.gov.uk/journeyplanner
Travel alerts via SMS and email can be set up at: www.tfl.gov.uk/alerts