What's been so interesting here in the UK is this time around - unlike after the July the 7th bombings on the London underground system - everyone universally and rightly has condemned this barbaric act.

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TfL said it planned to introduce the technology to the London Underground Tube system at a later point.

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Mr Prescott says that much larger sums are needed to provide London with an underground system fit for the 21st century.

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London Stansted airport is a 45-minute journey from the capital and getting to London Heathrow by the underground system can take 50 minutes from parts of the city.

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The London Underground, known as the Tube, opened in 1863, making it the oldest underground system in the world, and this year, a series of celebrations are planned for its 150th anniversary.

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The London Underground will soon be deploying a version of this system.

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He added that the scale of the problem in London could be seen by taking a journey on the capital's Underground system.

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Those who argue (as this paper once did) that London has muddled along nicely without such a thing ignore the capital's crowded roads, antiquated underground system, arbitrary parking controls and struggling health services.

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Travel would be provided by a streamlined and refurbished underground system, which would also be used at night for transporting freight and goods into central London.

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