One person is in critical condition after a crash at a workplace in Christchurch this morning.
St John and Fire and Emergency NZ also attended the incident.
St John transported one patient to Christchurch Hospital in a critical condition.
Emergency services were called to the crash on Nga Mahi Rd in Sockburn at 4am on Wednesday.
A police spokesperson said the crash involved one vehicle.
It appears a ute overturned at a construction site.
"Inquiries are under way to determine the circumstances of the incident," a spokesperson said.
WorkSafe has been advised.