St John ambulance said it had an events team at the speedway already.
“In addition, we responded with two rapid response units, two ambulances and one helicopter to the scene. We have airlifted one patient in a critical condition to Christchurch Hospital.”
The Herald understands that a non-competitive club event for vintage vehicles and other invited groups was taking place at the speedway today.
All Canterbury Vintage Speedway Enthusiasts’ Club (CVSEC) financial members and invited guests were welcome to participate.