These are supposed to be highly trained professionals, not ordinary bobbies who've been handed guns for the first time, who might be expected to be hyped up and panicky.

So now it isn't just the bombers we have to be frightened of, it's the police. And with the weather set to break tonight everyone is liable to be wearing coats, which puts them at risk. And of course Muslims come in all colours, so if they're looking out for anyone who looks like they could be a Muslim, that's all of us. But more especially those of us with brown skins. And beards, of course, so male folkies should be particularly cautious.