Make a derogatory comment about the intelligence of the London police force and provide a quote that suggests violence and intolerance towards non-believers.
Well then the London police are remarkably stupid but then look at who their mayor is. Here's a clue: 
TABARI 9:69
“Arabs were the first to respond to the call of the Prophet [Mohammad]. We are Allah’s helpers and the viziers of His Messenger. We fight people until they believe in Allah. He who believes in Allah and His Messenger has protected his life and possessions from us. As for one who disbelieves, we will fight him forever in the Cause of Allah. Killing him is a small matter to us.”