London Underground says that moving control-room services to Hammersmith will increase capacity on the tube network.
A single control centre is being set up as part of a major modernisation programme. New signalling systems are also being installed on the Metropolitan, District, Hammersmith & City and Circle Lines.
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The man, who was in his 30s, has not been identified, while several other people are believed to have suffered serious injuries.
If you're dreading going to work Monday morning, how about this for a career change.
Police have released more images of people wanted in connection with what they describe as 'disorder' at a McDonalds in central London.