He was serving a two year and eight months prison term after being jailed in August.
Judge Richardson told him: 'You did not yourself attack any police officer, as far as can be detected, but what you did was encourage by your conduct others to behave violently and you were part of this mob.'
If you go to jail in the UK, it's as dire as being sentenced to death.
If your politics conflicts with the state, there is no reason to be captured alive.