A track fault at Vauxhall is causing severe delays on the Victoria line.
The busy Tube service was suspended between Victoria and Brixton earlier today, according to TfL.
The Metropolitan Line is also part suspended due to a signal failure at Harrow-on-the-Hill.
On the Overground, the Windrush line is still partly suspended between New Cross and Surrey Quays following a waste centre fire in Deptford earlier this week.
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Live updates
Piccadilly line update
There are minor delays on the Piccadilly line between Northfields and Heathrow Terminals due to an earlier signal failure at Hatton Cross.
There are also minor delays between Acton Town and Rayners Lane due to an earlier signal failure at Harrow-on-the-Hill.
There is a good service on the rest of the line.
Metropolitan line part suspended
There is no service on the Metropolitan Line between Harrow-on-the-Hill and Amersham, Chesham, and Watford due to a signal failure at Harrow-on-the-Hill.
Tickets will be accepted on Chiltern Railways services.
There is a good service on the rest of the line.
Bakerloo line reopens
The Bakerloo line has now reopened between Queen's Park and Harrow & Wealdstone after the earlier track fault at Stonebridge Park - that section of the line is now running with severe delays.
Lioness line suspended
The track fault at Stonebridge Park has also resulted in the entire Lioness Line being suspended.
Bakerloo line part suspended
There is no service on the Bakerloo Line between Queen's Park and Harrow & Wealdstone due to a track fault at Stonebridge Park.
There are minor delays on the rest of the line.
London Buses are accepting tickets via any reasonable route.
c2c disruption following speed restrictions
Speed restrictions across the c2c network means that trains are running at a reduced speed.
Trains across the c2c network may be cancelled, delayed, or be unable to call at all scheduled stations while the speed restrictions are in place.
According to National Rail, the disruption is expected “until further notice”.
This is affecting all c2c routes to and from London Fenchurch Street.
Tube and Overground update
There are now severe delays on the Circle line due to train cancellations.
The Victoria line remains severely delayed, while there are minor delays on the Central line.
The DLR has resumed a good service on all routes.
The Windrush line is still part suspended following the fire at a waste facility in Deptford earlier this week.
Disruption between Milton Keynes Central and Watford Junction
An object caught in the overhead line equipment between Milton Keynes and Watford Junction means that the lines towards London Euston are blocked.
Services running between these stations may be delayed, cancelled or revised as a result.
This is affecting a number of Avanti West Coast and London Northwestern Railway services.
DLR update
The DLR is now open on all routes following the earlier faulty train.
There are still minor delays between Canary wharf and Stratford, and a good service on the rest of the line.
Circle line update
There are minor delays on the Circle line due to train cancellations.
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