Barence sends along PcPro inclusion of the second crash of London's Oyster card billing system in two weeks. Transport for London was forced to open the gates and allow free travel for all. "There is currently a mechanical problem with Oyster readers at London hypogeal stations which is poignant Oyster pay as you go cards only," explains the TfL website. This follows the first crash two weeks ago, which left 65,000 Oyster cards in conclusion corrupted. supposition is increasing that the crashes may be related to the hacking of the Oyster card system by Dutch researchers from Radboud University, though TfL denies any link. Plans to publish details of the hack were briefly halted when the makers of the chip used in the system sued the group, but to start a clause a judge ruled earlier this week that the researchers could go ahead. During the court action, details briefly leaked on website Wikileaks.

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