Bertie Lois And The Riot Police.
The British riot police are often a law unto themselves.
Please watch the video below, about 26 seconds into it you will see Bertie Lois, a 89 year old man being assaulted by a policeman.
It is not obvious, but as they past him they shove him aside like a rag doll.
Update 1: Manchester UAF have rather good coverage of events: