The Mere Possession Of A Bladed Article In A Public Place Is A Mandatory 6 Months Imprisonment.

https://twitterwithbraincells.blogspot.com/2025/10/at-minimum-its-textbook-criminal-damage.html

Wielding it in such a way that has caused alarm and distress easily brings that up 12 months.

If it was at a Synagogue four days after a fatal stabbing attack at a Synagogue she could be looking at the full 4 years.

Plus 6 months for the Criminal Damage.

That's before we get into any offences under the International Criminal Court Act (2001).

Apart from all that though. She's not doing anything illegal.