The Government has promised new laws, which could see retailers forced to ask anyone buying a knife for two types of identification.At Prime Minister's Questions, Sir Keir said: "It is unacceptable that these murder weapons could be bought with two clicks. Technology is there to stop it, and we're going to take action."

The Government has promised new laws, which could see retailers forced to ask anyone buying a knife for two types of identification.At Prime Minister's Questions, Sir Keir said: "It is unacceptable that these murder weapons could be bought with two clicks. Technology is there to stop it, and we're going to take action."