Two people were hospitalized with critical injuries after an incident on the Ruapuna Raceway. Photo: Cameron Avery
Police said emergency services were called to the scene just before 3pm where two motorcycle riders had crashed.
"It appears both were taken to hospital with serious injuries."
The Herald understands the event was called "Sound of Thunder" and run by Bears Motorcycle Club.
The event said it was going to feature "iconic bikes from past & present, including the legendary Britten Motorcycle & a Moto2 replica bike."
