Rush-hour commuters face travel chaos as a 24-hour strike action hits the London Underground.
Staff across the entire network walked out at 18:00 GMT on Sunday in a row over ticket office closures.
Transport for London (TfL), which has warned most central London stations will not open, said it would not know the full extent of the disruption until services began to run.
It has advised commuters to check its website for updates.
TfL previously warned there would be “severely reduced service across the Tube network”.
It said any stations which do open on Monday would be likely to open after 07:00 and close by 19:00, with normal service expected to resume on Tuesday.
Though services in Zone 1 are likely to be worst-hit, tweets from TfL’s official account said it did not know how the wider network would be affected.
In a series of replies to queries from passengers, it said it would not know which stations would be closed “until staff do or don’t turn up for work” on Monday.
“We won’t know the actual level of service we can provide until later this morning and even then it could change regularly,” it added.
Workers from the RMT and the Transport Salaried Staffs’ Association (TSSA) unions are involved in the strike.
Confirmed Tube disruption:
- The majority of central London Tube stations will be closed
- Limited service on the District, Circle and Hammersmith and City lines, although trains will not stop at all stations
- No Underground services from stations such as Victoria, King’s Cross, Waterloo, Paddington, Euston, Bank and London Bridge
- Piccadilly line services will run between Hammersmith and Heathrow Terminals 1, 2 and 3, but not to Terminals 4 or 5
- No service on the Victoria or Waterloo & City lines
- Limited services on other Tube lines in outer London
- Buses, road and rail services including the Docklands Light Railway (DLR) are expected to be much busier than usual
The biggest rail union, the RMT, walked out of talks at conciliation service Acas on Saturday.
A “new offer”, reportedly made after the RMT walk-out, had been briefly considered by the TSSA.
But on Sunday the TSSA announced it had rejected the offer after consulting its members overnight.
The RMT disputes the claim there was a new offer, telling members LU had “given exactly the same offer again” during Saturday’s talks.
Both unions rejected a plea for “last-ditch” talks from London Mayor Sadiq Khan on Sunday.
The RMT said it remained “committed to taking part in further talks to seek a resolution to this dispute”.
Mr Khan has said TfL’s negotiating team “will be available around the clock”.
About 150 extra buses were set to be deployed and river services “enhanced” throughout the strike, with “travel ambassadors” deployed to help commuters, TfL said.
National Rail services will not be affected by the strike, but there will be no Tube services from key interchange stations such as Victoria, King’s Cross, Waterloo, Paddington, Euston, Bank and London Bridge.
Piccadilly line services will run between Hammersmith and Heathrow Terminals 1, 2 and 3, but there will be no service to Terminals 4 or 5.
The ins and outs of the dispute
- Up to 4,000 station and ticket staff will walk out in the dispute over job losses and ticket office closures
- London Underground says it is attempting to save money so it does not have to increase the price of tickets
- The RMT and TSSA unions say the dispute with London Underground is about staffing and passenger safety
- 838 jobs had been axed and ticket offices closed under previous mayor Boris Johnson
- Unions say control rooms, which oversee passenger safety and help respond to emergency incidents, have been de-staffed
- The unions claim London Underground is only offering to reinstate 150 jobs, but TfL says 600 staff will be recruited for stations this year
- While ticket offices will be closed staff will still patrol platforms and stations, London Underground says
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