There is little to say about this, other than the fact that the police are arresting people, who quite reasonably are going about their business and wish to assert their legal rights.
My son is a documentary film maker. He is clever enough to avoid trouble, hence his smart decision not to film his detention by Maoist separatists in Nepal, or indeed, to take his camera out of the bag. I just wonder when I am going to get a phone call telling me he has been arrested for doing his job, in a British town centre, in broad daylight.
Here is a video of an encounter with City of London Police. I was shaking with anger and also,fear, when I saw this:
These policemen, whoever they were, were more interested in macho posturing than maintaining the security of our country. They don't like to be recorded either, because then, they cannot fit you up. Bastards.