A person is in critical condition after a crash at the Mike Pero Motorsport Park in Christchurch.
A spokesperson said they were called to the incident on Hasketts Rd at about 11.30am.
A vehicle had hit a wall at the speedway and they were working to extract a person, they said.
A St John spokesman said one person had been transported to Christchurch Hospital in critical condition.
AdvertisementAdvertise with NZME.
Motorsport park general manager Mark Wederell told the Herald the vehicle was participating in a test day.
Test days are regular events that are held to check race vehicles.