How MI5 and MI6 used powers to stop terror attacks on British soil and track down jihadists

Theresa May has said that the mass collection of private data by the security services is “vital” for public safety after an official review found it is has been repeatedly used to stop terrorist attacks in Britain.

David Anderson, the Independent Reviewer of Terrorism Legislation, revealed that MI6 used “bulk data” to identify terror suspects who posed a threat to the UK in the wake of the attacks in Paris and Brussels.

He highlighted that he “sheer vivid range” of case studies provided to him by the security services, including identifying Isil extremists in the UK, stopping suspected terrorists from entering Britain and identifying foreign spies.