BBC: "Vicar Gags Pass, Imam Gags Don't"
Bel Elton, scriptwriter and author: "There is no doubt about it, the BBC will let vicar gags pass but they would not let imam gags pass. I believe that part of it is due to the genuine fear that the authorities and the communities have about provoking the radical elements of Islam".
Sources: http://www.telegraph.co.uk/news/uknews/1583631/Ben-Elton-BBC-scared-of-Islam-jokes.html http://www.guardian.co.uk/media/2008/apr/02/bbc.television3