Sir Julian Lewis: It seems to me that the Government’s good work in this Bill in criminalising the possession of knives with intent will be undermined if the police have to wait for someone to take out the knife and commit an attack before they can discover whether they have a knife. Surely, if there is a separate offence arising from mere possession, as my right hon. Friend says, it is particularly important to enable the police to discover that someone possesses that knife before they have had a chance to do harm with it.

[Chris Philp (Shadow Home Secretary): My right hon. Friend is absolutely right. If we are to prosecute these offences, put more potential perpetrators in prison and, critically, protect the public, we need to detect more of the knives that are routinely carried on our cities’ streets. That means more stop and search and the use of knife-scanning technology of the kind I just described to identify those knives before they are used. My right hon. Friend put it very powerfully. …]