For detail about the history of foxhunting, landownership and the Countryside Alliance after the riot in Parliament Square you should read the linked article below. Apart from "The Rich at Play" which is the definitive liberatarian/left book on these issues, this is the best information there is.
This article on the Labour party Animal Welfare Section (LAWS) website is a good read, and written by a guy who has been linked to the anarchist movement in the past;
http://www.labouranimalwelfaresociety.org/gary/New%20articles/Racism%20and%20the%20Countryside%20Alliance.htm
http://www.labouranimalwelfaresociety.org/gary/New%20articles/Racism%20and%20the%20Countryside%20Alliance.htm
