In response to the Daily Mail's story which quotes 'Whitehall insiders' as saying the Guardian's Edward Snowden leaks caused the "greatest damage to western security in history, the newspaper's editor Alan Rusbridger tweeted:
It comes after the Director General of MI5, Andrew Parker said that leaks such as those from former NSA worker Snowden gave terrorists the, "gift they need to evade us."
More top news
Plan would leave steelworkers worse off in retirement - but not as worse off as those in other pension schemes.
Donald Trump has labelled Hillary Clinton "crooked" and says he cannot wait to face her in November's US presidential election.
Thursday brings better temperatures