“The road was closed for several hours and inquiries are ongoing into the cause of the crash,” he said.
Hato Hone St John sent three ambulances and one rapid response unit to the scene.
“Three patients, one in a serious condition and two in minor conditions, were transported to Whanganui Base Hospital,” they said.
Another person, in a minor condition, was assessed and treated at the scene but did not need to go to hospital.
Fire crews from Ohakune and Raetihi attended.
Eva de Jong is a reporter for the Whanganui Chronicle covering health stories and general news. She began as a reporter in 2023.