"A Metropolitan police horse" -> "Loiter there cop's animal, poo." (by Mick Tully using Anagram Genius) (2008) (pending approval)
"Metropolitan Police Chief Sir Ian Blair" -> "Cool liar, I tape phone: "it's criminal" - Brief." (by Stanley Accrington by hand) (2006)
"The Metropolitan Police Commissioner Ian Blair" -> "I'm hateable moron, looniest copper - it is criminal!" (by John Dyke using Anagram Genius) (2006) (pending approval)