Data requestspublished at 09:53
Two judges at the High Court in London rule that the Data Retention and Investigatory Powers Act is "inconsistent with EU law". The BBC's legal correspondent, Clive Coleman, says it permits Britain's security agencies and some other public bodies to gather information about who suspects contact by telephone or email.
This does not include content but does include the fact that calls and emails are made, by whom, to whom and how often. Some half a million requests are made each year for this data.