Ethnically

But the row highlighted the fall from grace of the ethnically diverse women Sarkozy once promoted but later cast aside, who are now rebelling. The former young sports minister, Rama Yade, outspoken and hugely popular, has not only quit the government: she has left Sarkozy's party.

London has one of the most ethnically diverse populations in the world. It absorbs more than half of all immigrants to Britain.

Domestic extremists are motivated by a range of ideologies which “reflects an increasingly complex threat landscape, including racially or ethnically motivated threats and antigovernment or antiauthority threats,” the report says.