The right to protest, like the right to free speech or to free assembly, is a gem to be treasured. It is a delicate vase, of which we must all take care, and those who abuse it, crack that vase for the rest of us and, as a result, do us all a disservice. The hon. Member is quite right that we have to take very seriously those who use the pretext of peaceful protest to prosecute criminal acts. I hope he will have seen, from the large number of arrests that have taken place over the last week or so, that certainly the police are taking that approach.