The Elmira police department says that on Saturday evening they responded a report of a dog attack.
The attack happened in the area on the Lackawanna trail close to Judson and Water street.
The owner of the dog that was involved in the attack had recently purchased a puppy.
The older dog attacked the puppy, and then when the owner tried to protect the puppy his older dog attacked him.
The owner of the dogs used a knife to fend off the older dog.
The owner was then transported to Robert Packer hospital for non-life threatening injuries.
The older dog was euthanized because of the nature of the attack and stab wounds. The dog is being tested for rabies.