Mike Lane was beaten by masked protesters armed with steel spikes on ropes . Attack happened as 30 policemen and hounds were chasing artificial scent . Wiltshire Police showed surveillance footage and some footage of saboteurs . Decision by police to drop probe branded ' pathetic ' by years - old .
Mike Lane was beaten by masked protesters armed with iron bars on ropes . Attack happened as 30 riders and hounds were chasing artificial scent . Wiltshire Police handed video footage and some names of saboteurs . Decision by police to drop probe branded 'pathetic ' by 40-year-old .