BBC Chinese, Nov. 17m 2009.
http://www.bbc.co.uk/ukchina/simp/entertainment/2009/11/091117_ent_callgirl.shtml
Note: The pertinent Times reports, in chronological order.
(a) India Knight, I’m Belle de Jour: Finally the anonymous sex blogger from Diary of a London Call Girl comes clean to The Sunday Times. She's Dr Brooke Magnanti. Times of London, Nov. 15, 2009.
http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/article6917495.ece
The adjective as well as noun of "Mancunian" is defined as of Manchester, England, or its resident.
(b) The above is a lengthy report. Therefore there is an companion summary.
Jon Ungoed-Thomas, Belle de Jour revealed as research scientist Dr Brooke Magnanti. Times of London, Nov. 15, 2009.
http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/article6917260.ece
(c) Nico Hines, Belle de Jour owns up to her mother. Times of London, Nov. 16, 2009.
http://www.timesonline.co.uk/tol/news/uk/article6918810.ece
(d) Simon de Bruxelles, Hospital stands by research scientist unmasked as Belle de Jour. Times of London, Nov. 17, 2009.
http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/article6918056.ece
My comment: You need not read (c) or (d), as you may guess the contents from the titles.