What has happened today is a tragedy, but it should not be used to further divide our country.
There will always, sadly, be very sick individuals out there willing to commit awful crimes against others, no matter what their faith, colour, religion etc. What we need not to lose sight of, is that they are vile people, and whatever they give as their 'excuse' or reason for their crimes, they are wired up wrong, simple as. Ultimately, if they hadn't have attached themselves to a religious cause, they may well have gone on to commit this awful act regardless, because they are not right.
Most people in this country are decent, and I'm sure most couldn't even imagine themselves capable of such a brutal act, let alone do it, that must tell us something.
Don't use this as an excuse to fuel hatred towards a whole section of our society, just hate the two evil, twisted people that did this. And show our respects to the person who lost his life today, along with the family he left behind.