Was it pure incompetence that the police were unable to prevent "well known Islamic extremists" from gatecrashing and disrupting John Reid's invitation-only meeting at a "secret location", or were the TV shots of Abu Izzadeen's heckling what we were meant to see?

See also:
http://news.bbc.co.uk/1/hi/uk/5362052.stm
http://antagonise.blogspot.com/2006/09/if-links-back-to-uk-or-us-sources-are.html.