Passengers are facing travel chaos on Thursday after the London Overground was hit by major disruption.
No trains are currently running on the Overground between New Cross and Surrey Quays, or between Sydenham and Crystal Palace.
Severe delays are also impacting services between Highbury & Islington and Clapham Junction/West Croydon following a signal failure near Hoxton and Shoreditch High Street.
Meanwhile, severe delays have been reported on the Central line after a fire alert at White City.
It comes as commuters faced disruption after several Tube lines were hit by major delays on Thursday morning.
The District Line faced severe delays between Barking and Upminster due to an earlier faulty train at Earl’s Court. On the Northern Line, severe delays were reported following an earlier points failure at Kennington.
Meanwhile, the Victoria Line has major delays between King's Cross and Walthamstow Central due to a faulty trains at Seven Sisters.
Travellers are also experiencing delays on trains due to a points failure between London Euston and Watford Junction, which has blocked some lines. Avanti West Coast and London Northwestern Railway services into the capital are affected.
Follow the latest updates below...
Central line hit by major disruption following fire alert at White City
13:38 , Sami QuadriThere are currently severe delays between White City and West Ruislip/Ealing Broadway due to an earlier fire alert at White City.
London Underground tickets are being accepted on London buses and the Elizabeth line. Good service remains on the rest of the line.
Good service resumes on all Tube lines
13:04 , Sami QuadriGood service has resumed on all Tube lines following earlier disruption.
Disruption between Clapham Junction and Wimbledon
12:00 , Sami QuadriA fault on a train between Clapham Junction and Wimbledon means some lines are blocked. As a result, trains may be cancelled, delayed by up to 30 minutes or revised. Disruption is expected until 1pm.
London Overground part-suspended following signal failure
10:52 , Sami QuadriThere is no service on the London Overground between New Cross and Surrey Quays, as well as Sydenham and Crystal Palace.
Severe delays are affecting trains between Highbury & Islington and Clapham Junction/West Croydon due to a signal failure in the Hoxton and Shoreditch High Street area.
Tickets are being accepted on London Underground and buses via any reasonable route.
Victoria Line hit by severe delays
10:00 , Sami QuadriThe Victoria Line is facing severe delays between King's Cross and Walthamstow Central due to a faulty trains at Seven Sisters. Good service remains on the rest of the line.
Major delays on London Overground
09:06 , Sami QuadriLondon Overground commuters face severe delays between Euston and Kilburn High Road while Network Rail fix a track fault in the Euston area. Good service remains on the rest of the line.
London Underground hit by delays across multiple lines
08:13 , Sami QuadriCommuters are facing widespread disruption on the London Underground with severe delays affecting the District, Northern, and Piccadilly lines.
The District Line is experiencing severe delays between Barking and Upminster due to an earlier faulty train at Earl’s Court, though the rest of the line is operating a good service.
On the Northern Line, severe delays are reported following an earlier points failure at Kennington. Passengers can use tickets on London Trams, Southeastern, Thameslink, South Western Railway, and buses via any reasonable route.
The Piccadilly Line has severe delays eastbound between Acton Town and Cockfosters after an earlier customer incident. Tickets are being accepted on London Buses, Greater Anglia, and Great Northern. A good service is running on the rest of the line.
Passengers are advised to check their routes before travelling and consider alternative options where available.
Delays at Raynes Park due to track circuit failure
07:58 , Sami QuadriTrains towards Epsom are running at reduced speed due to a track circuit failure at Raynes Park. Services may be delayed, with disruption expected until 12pm.
Northern Line part-suspended due to points failure at Kennington
07:46 , Sami QuadriNo trains are running between Kennington and Battersea Power Station or southbound between Charing Cross/Moorgate and Morden due to a points failure at Kennington. Severe delays are affecting the rest of the line. Bus tickets are being accepted on all reasonable routes.
What's happening on the Tube?
07:21 , Michael HowieTfL is reporting a good service on all services except the District line, which is experiencing “severe delays” between Edgware Road and Wimbledon due to a faulty train.
Delays between London Euston and Watford Junction
07:03 , Michael HowieTrains between London Euston and Watford Junction are suffering delays as a result of a points failure.
National Rail says trains running between these stations may be delayed by up to 25 minutes.
It says disruption is expected until 8am.
Good morning
07:01 , Michael HowieWelcome to the Standard’s coverage travel news.
We’ll keep you posted on all the major developments throughout the day.