Spy chiefs warn of al-Qaeda 'bombs and computers' plot
Millions of commuters could have their private movements around cities secretly monitored under new counter-terrorism powers being sought by the security services.
Records of journeys made by people using smart cards that allow 17 million Britons to travel by underground, bus and train with a single swipe at the ticket barrier are among a welter of private information held by the state to which MI5 and police counter-terrorism officers want access in order to help identify patterns of suspicious behaviour.
The request by the security services, described by shadow Home Secretary David Davis last night as 'extraordinary', forms part of a fierce Whitehall debate over how much access the state should have to people's private lives in its efforts to combat terrorism.
