Commuters using the Elizabeth line are facing disruption after a broken down train shut lines early on Tuesday morning.
National Rail says that lines have reopened following the breakdown at Custom House, but disruption is expected to continue until 8.30am.
Severe delays were also being reported on the District and Piccadilly lines.
The District Line was suspended between Turnham Green and Richmond, and the Piccadilly line between Acton Town and Heathrow/Uxbridge, following the late finish of engineering works.
Meanwhile the London Overground, there is no service between Sydenham and Crystal Palace, and between Surrey Quays and Clapham Junction.
Meanwhile a fault with the signalling system between Vauxhall and London Waterloo is causing disruption to South Western Railway services for a second successive day.
Follow the latest updates below…
Severe delays on Piccadilly and Elizabeth lines
07:03
There are severe on the Elizabeth Line between Whitechapel and Abbey Wood while TfL fixes a faulty train at Custom House.
There are also severe delays on the Piccadilly Line between Acton Town and Uxbridge following a late finish of engineering work.
Flooding shuts Waterloo and City Line
07:02 , Lydia Chantler-Hicks
The Waterloo and City Line – the key commuter service which connects Bank and Waterloo – is totally closed this morning due to flooding at Waterloo, says TfL.
We’ve asked TfL for more information on when it’s likely to reopen. We’ll bring you updates as we get them.
Delays and closures on multiple TfL lines
07:01 , Lydia Chantler-Hicks
Good morning, and welcome to The Standard’s live blog.
There are delays and closures on multiple TfL lines this morning.
We’ll be bringing you everything you need to know.