A man who was critically injured during a commercial forestry operation in Bulls is now in a serious condition.
Emergency services were called to a property in Pukehou Road just before 2:30pm yesterday.
One person died at the scene and another received critical injuries after a tree fell on their vehicle.
A third person received serious injuries.
The 27-year-old man with critical injuries was flown to Palmerston North Hospital, before being moved to Wellington Hospital's intensive care unit.
WorkSafe has made initial inquires into the case and said they were investigating.