Mmmm.. more of "It is thought the plan was to detonate explosive devices" and no substance.
If they keep up this habit of crying wolf and claiming successes time and again - if the real shit hits, we'd prob never notice.
See the crap about al Queda attempting to inflitrate MI5?
http://news.bbc.co.uk/1/hi/uk/5142908.stm
If the security services can't even vet their own personnel - they might as well be sacked.