Shouldn't call him a hero. People can't take the law into their own hands. We've seen what happens in America. And all it's going to do is promote "paki bashing" (excuse the term but I've heard it being said in that way) or "terrorist bashing" or "muslim bashing".
To be honest with you, it all seems all too fishy for me. Is it really that difficult to blow some people up and cause some damage? Also, a jeep isn't cheap, why would you use an expensive car to blow up? The same in London. A mercedes was used. And what's so suspicious about a mercedes being outside a night club. I know it stunk of petrol, but how long does it take to blow up a car. I don't know the exact mechanisms, but throwing a match into a petrol cannister would start something of, which takes what, 15 seconds?
Anyway, muslims should get together and show that they don't condone these actions. Islam does not promote this, and for terrorists to say that it is in the name of Islam is terrible.