[Livia]

She was heading for the head of the Bank of England, and for the Chancellor of the Exchequer. Just because she was a white woman, are we to assume she wouldn't do something crazy and murderous? Are we all really sure about that?

The only people here who should be explaining themselves is the security team. Because obviously no one is going to want to the protestors to have to explain themselves, they can pretty much do as they please until it affects you personally... then it's a whole other story.