EDISON — Police are looking for the person who abandoned a puppy, leaving it to practically starve to death on the street.

The malnourished stray was found Sunday by a jogger on New Dover Road.

The dog was was so weak that it was unable to lift its head, according to officials at the Edison Animal Shelter, who said the dog had to be euthanized.

After the rescue, the puppy was taken to the Garden State Veterinary Hospital in Iselin, where it was diagnosed with congestive heart failure and severe dehydration. The puppy, estimated to be four to six months old, also had severe bone deformities and other organ problems.

On the animal shelter's Facebook page, officials said the puppy had "the worst heart murmur they had ever heard."

The puppy's feet were deformed, which vets said is most likely a result of it being kept in a cage for most of its life.

Malnourished puppy found in Edison. (Friends of the Edison Animal Shelter)

“Our first reaction was to treat the puppy and restore it to health," animal shelter staffer Amy Ray said. "Late Sunday, the veterinarian informed us the puppy was suffering too much. A humane decision was made, in this dog’s best interest, to euthanize it.”

The shelter said it hopes the person responsible is caught.

“We are all so upset at whoever owned him that they could have thrown him away instead of getting him medical attention before it was too late,” the Edison Animal Shelter said on Facebook.

Anyone with information can contact the shelter at 732-248-7278 or Edison police's non-emergency number at 732-248-7400.

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