"Al-Qaeda plot to bring down UK internet":

Scotland Yard has uncovered evidence that Al-Qaeda has been plotting to bring down the internet in Britain, causing chaos to business and the London Stock Exchange.

..."Without these services, the UK could suffer serious consequences, including severe economic damage, grave social disruption, or even large-scale loss of life," the MI5 website says.

The Telehouse hub is nicknamed CTU after the counter-terrorist headquarters in the American television series 24. It is designed to provide back-up power for all Britain's vital network services in the event of a large-scale terrorist attack elsewhere.