“Another patient in a serious condition is being airlifted to Bay of Islands Hospital,” Hato Hone St John said in a statement.
The crash resulted in the highway being closed in both directions, causing significatne delays, police said.
“Diversions are in place for light vehicles; however the alternative route is not suitable for heavy vehicles. Motorists are warned to expect delays.”
NZ Transport Agency Waka Kotahi (NZTA) said the road was closed at the intersection of SH10 and Waipapa W Rd, Kapiro (North of Waipapa).
Vehicles have been diverted Via Stanners Rd, Sommerville Rd, Purerua Rd, Kapiro Rd, with NZTA advising it was not suitable for heavy vehicles.