A dog owner was heartbroken after his two puppies were shot and killed by a neighbor for attacking his goats. The incident took place in Watertown, Wisconsin, on Thursday.

The dog owner said his eight-month-old unleashed puppies ended up across the street after escaping the fenced area. He looked for the puppies for over three hours and found them dead in the neighbor’s property.

"They're pups and that's what they do right now is they want to explore," Todd Schlender, the owner, said, adding that when he asked the neighbor about the puppies he said “he shot them.”

Heidi Hanus, the owner of the property, said she arrived at the goat shelter after hearing the animals crying. She then noticed the two puppies coming out of the shelter. She went inside the shelter and saw her pet goats severely injured.

"They were just barking barking barking and biting the goats," said Hanus, adding that her son shot the puppies as they “didn't know they were someone's pets” and that the puppies did not have tags.

"They were attacking my goats. They were mauling my pets. I don't know what else to say, I'm so sorry," said Hanus, adding that one of the goats will have to be put down because of the serious injuries.

"If someone did that to my dog, my heart would break. I empathize and I'm so sorry, but they weren't the cute pets, they were biting the goats,” Hanus added.

Schlender, however, said things could have been a little bit different.

"If they would have shot the gun in the air instead of numerous times at the dogs, the dogs would have ran," Todd said, adding that he was “furious, dumbfounded that anybody could physically do that.”

The Jefferson County Sheriff's Department was investigating the incident and no arrests were made so far.

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In this image, a dog's paw reaches through the kennel fence at the Queen Anne's County Department of Animal Service in Queenstown, Maryland, Jan. 24, 2008. Getty Images/Jim Watson