The Guy Fawkes mask has become a favoured symbol for protesters taking part in the 'Occupy' movement that's been sweeping the world's financial district.
It comes from an anti-establishment comic book 'V for Vendetta', which has become a cult classic, and has also been turned into a film.
Now the comic's creator, Alan Moore, has come face-to-face with the activists, he inadvertently helped to inspire.
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Channel4's Katie Razzall reports.

