Terror drills in Manchester just a few weeks ago.
Then Manchester gets bombed.
And MI5 knew the guy?!
And just in time for Theresa May to milk it for a general election.
The suicide bomber who killed 22 people, including children, at an Ariana Grande pop concert in Manchester was known to security services but they did not believe he posed an immediate threat, sources said today.
[source : Manchester suicide attacker 'was known to security services but not thought to pose immediate threat', Evening Standard, http://www.standard.co.uk/news/uk/manchester-suicide-attacker-was-known-to-security-services-but-not-thought-to-pose-immediate-threat-a3546401.html, 23rd May 2017]