1. National

Snowden leaks 'worst ever'

Edward Snowden's leaks of UK surveillance programmes have been the "most catastrophic loss to British intelligence ever", according to the former head of British listening post GCHQ.

View all 11 updates ›

'A complete lie' that Snowden leaks helped terrorists

The American journalist behind the security leaks that prompted criticism from MI5 director general Andrew Parker has firmly denied helping terrorists.

Glenn Greenwald told ITV News it was "a complete lie" that the information he obtained from the former National Security Agency contractor Edward Snowden taught terrorists anything they did not already know.

The Guardian journalist, who gave evidence to Brazil's senate on the matter today, told ITV News' Brazil correspondent Nick Ravenscroft: "It's an absolute fabrication ... There is not one thing that we published that gives any kind of guide".

More top news