UK Law basically bans the carrying of all knives other than a small folding 'penknife' with a blade under three inches. - If a folding blade "locks" - It isn't a folding knife.. It's also illegal to sell any knife to an under 18 year old.
Knife Murder Scene In London's Leafy Suburb of Tulse Hill.
South of Brixton.
These tragic & stupid killings further illustrate just how effectively 'banning' works.
The problem of angry violent killers is the people involved - and how they are (and have been) treated.
- So guns are banned there and guns are used increasingly by the criminal nutters ... and knives are banned there so are being used more & more by young men who can't get guns ... and when they can't get a knife they sharpen a screwdriver for stabbing each other.