[shrikant]

> I believe Britain already has restrictions on knife ownership.

I'm not sure about laws, but I've recently noticed that establishments that do sell knives and razors usually keep them behind the counter, instead of on the shelves. The idea being that you can't just pick a knife up off the shelf and make off with it.

[Knife crime is a serious issue in the UK - The Guardian even has a dedicated section to it! - http://www.guardian.co.uk/uk/ukcrime]