"Six weeks ago, this [the alleged aircraft bombing scheme] was one of a dozen plots that were being investigated. It was not our main priority. Things began to change and the inquiry was accelerated so that it became a priority. But it is by no means unique. There are dozens and dozens of plots like this one, in terms of people planning to commit mass murder in the UK. This is just the tip of the iceberg people have got to start realising how serious the current situation has become."