File photo. - Photo: RNZ / Anneke Smith
Further charges have been laid against high profile harness racing figures in the Christchurch District Court this morning.
Before today 11 people including drivers and trainers had been charged.
Another driver was charged today, with conspiring to administer a substance to a horse with the aim of influencing a race.
Additional charges have been laid against others already charged.
Most of those involved have name suppression and have pleaded not guilty.