David Cameron at a security conference in Germany
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David Cameron warns of failed 'state multiculturalism'

5 February 2011 Last updated at 10:45 GMT

The Prime Minister David Cameron has told a security conference in Germany that "state multiculturalism" has failed society by encouraging different cultures to live separate lives from mainstream communities.

During the speech, Mr Cameron said multiculturism had ended up promoting segregation, and that governments need to tackle the lack of identity in society, in order to tackle terrorism.