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Olympics cyclist demonstration CCTV footage released

25 February 2013 Last updated at 23:22 GMT

Previously unseen footage has been released of a cycling demonstration on the night of the Olympic Opening Ceremony.

Roads around the stadium in Stratford, east London, were cordoned off as part of a huge security operation.

Almost 200 of the cyclists were arrested, and nine are now on trial charged with breaking a public order act.

Gareth Furby reports.