I very much fear that Britain is a lost cause.
You mean like in 1066?
There have already been numerous incidents of largescale riots and fighting between native Britons and Muslims immigrants in cities like Oldham, Wrexham and Bradford:
http://www.amren.com/0107issue/0107issue.htm#otempora
It just doesn't get much press coverage and this type of thing is on the uprise in England.