Serious injuries sustained by an 81 year old man on Saturday in Port Macquarie, emergency services called to Crestwood Drive at about 9.30am.
It's alleged a neighborhood dispute between the victim and a 72 year old man turned violent, a lawnmower and large knife said to have been used in the altercation.
The blades of the mower were used on the older man, he suffered serious injuries to his hands and feet.
He was taken to Port Macquarie hospital before being flown to John Hunter, it's since been reported he lost fingers on his left hand.
The other man was taken to the Port Macquarie police station and is assisting police with investigations.