Via Dave Hardy I came across this:

It also sent shockwaves across France where the loss of two of the country's finest young minds was seen as proof of Britain's spiral into knife-obsessed lawlessness.

...

Mr Bonomo was stabbed 196 times, with up to 100 wounds inflicted on his back after death.

Mr Ferez, who lived several miles away in Thornton Heath, suffered 47 separate injuries.

So... how's that gun control and hostility toward self-defense working out for you guys on the other side of the pond? Confiscation of knives followed by rocks and pointed sticks seems like what is needed next.