This should be watched with consideration to all other media accounts of rioting:
'The Battle of Trafalgar: An account of the anti-poll tax demonstration 31st March 1990, one that is radically different from that presented by TV news.
Eye witness tell their stories against a backdrop of footage showing the days events as they unfolded. Demonstrators' testiomonies raise some uncomfortable questions. Questions about public order policing, the independence and accountability of the media and the right to demonstrate.'