This topic is a good example of how the copyists ape the stylists.
An important question to answer is why do people carry knives?
Possibly it reveals an intention for some kind of power grab, dominance, as often does the possession of any concealable weapon.
There is a delicate balance needed in the reporting of knife attacks so that they are not presented as a solution to personal frustrations.

Why has knife crime increased in London?

Because guns are banned.

MANUS AND NAURU "CRIMINALS" DISTRACTION

The law and order distraction of "knife crime" in London

seems similar to:

The law and order distraction of "criminals" in future leaving Manus and Nauru to move to Australia.

In the Manus and Nauru case, the rightwing of the Liberal Party may have leaked classified security documents to try and bury the "Phelps" Bill in Federal Parliament.

The Australian Federal Police (an agency of Dutton's Home Affairs Department) are being asked by Dutton to "investigate" the politically motivated leak. But this leak just happens to be favourable to the Liberals' federal election campaign...

see http://www.theage.com.au/politics/federal/home-affairs-refers-leak-of-phelps-bill-advice-to-afp-20190207-p50wdg.html

A typically deceptive article by former Human Rights Commissar Binoy Kampfmark, which conceals the real issue while making vague implications about causes that reflect his politically correct ideology.

What Binoy won't say, is that just like everywhere else, black African crime in western societies is out of control. That is because it is racist to say that, even though it is true. But under our new multicultural state religion, telling the truth is heresy. It is blasphemy, the evil who's name must not be mentioned.

Instead, Binoy hints darkly at the usual PC suspects. Brexit, and media reports which he implies exaggerates the problem and make the public frightened. Heard that one before about the media. That was the excuse the Australian Institute of Crime used to explain serious ethnic crime in Australia. It was better than explaining how in the year 2000, 55% of the handgun crime in the entire state of NSW was in two notorious ethnic ghettoes in Sydney. Instead, Binoy says that society is sick and that reflects upon the troubled "youth" of the city. Naturally, he does not even hint at what is making the city of London sick.

Try fifty years of multiculturalism, which made London, once the safest capitol city in the world, where the police once had had no need to carry guns. The importation of the very same ethnic groups notorious worldwide for their very high rates of violent criminal behaviour was predicted by the "racists" would cause the spiraling crime rates in every western society. Now that the "racists" were proven right, people like Binoy pen vague and misleading articles where the word "race" is never mentioned.

How about giving us some statistics displaying the extent of African and Muslim crime in London, Binoy? Nah, you will never do that. We can't have what is left of the white British population making obvious conclusions from plain statistical analysis that multiculturalism is a catastrophe for the western world.

Better to pretend that it must somehow be the fault of all those right wing Brexiteers and the media.