Three children are among seven people seriously hurt in a crash on a main route around the Brynderwyn Hills closure.
The Cove Rd, Waipu crash was followed less than two hours later by a second at Kauri, north of Whangārei, in which one person died at the scene.
Emergency services were called to Cove Rd about 1.30pm after receiving reports of a crash believed to be a head-on collision involving two vehicles.
Three children were transported to Starship Children’s Hospital in Auckland - two seriously hurt and one in a critical condition.
The remaining four people were taken to Whangārei Hospital. One patient was in a critical condition, another was seriously hurt, and the remaining two were in a moderate condition.