Racism in its simple form, a hatred of someone because they are of a different 'race' - which usually amounts to colour - has largely disappeared in this country, I don't think most Brits condone such racism. However, there are issues with various people coming into the country, bringing in a different culture. It might be that they are very poor and uneducated, or have widely differing political views. I happen to think that most immigrants are not a threat although I think less immigrants should be allowed in, the numbers are excessive. There is a problem with extremism, such as nutty fruit cake imams who were allowed to preach hate, thanks to nutty fruit cake trendy leftie pinkoes, who labelled anyone who raised concerns a racist. Extreme Islam is a threat, but most UK Muslims do not support it, as far as I know. I can't say I am keen on the more extreme (but non violent) Muslims, but then again I am not keen on many born again Christians, Moonies, fundamentalist Christians, the more extreme orthodox Jews, and other hard code religionistas.
Yes, the real problem is radical Islam, and some vile regimes such as Saudi Arabia and Iran who foment terrorism, and political instability. And we just unfroze Iranian assets. Eh?