PITTSBURGH (KDKA) – Harrison Township Police are investigating after a dog was allegedly mauled by a pit bull.

A woman claims her dog was attacked Wednesday and the owner simply walked away, saying, “I don’t know what to tell you.”

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Sarah Millett says her five-pound Yorkie was viciously attacked by a passing pit bull in front of her home on Hemlock Street.

Millett watched in horror as the attack that left 9-year-old Chelsea paralyzed. As a result of the attack, she had to put her dog down.

“The dog dropped Chelsea in the street and I knew she wasn’t going to make it,” Millett said.

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She said they were outside enjoying the afternoon and her kids were playing in a neighbor’s yard. Chelsea was not on a leash and walked to the end of the sidewalk, like she did every day.

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This time, a man, she’s never seen was walking a large tan pit ball. As they passed her house, the pit bull allegedly grabbed Chelsea in one, quick swoop.

“She had holes in her spine and her head and her face and she was paralyzed,” Millett said.

She said the man tried punching the pit bull to get the dog to release the Yorkie, but she said what added to the traumatic experience is that the man just left as Chelsea lay bleeding in the street.

“An accident is an accident. I fully understand that, but to walk away. What kind of human being are you? What kind of animal do you have in your possession that would just aggressively attack something that moves past it? And I just thank God it wasn’t one of my kids,” she said.

Millett said it is a very quiet, family-oriented neighborhood. She believes that someone out there may know who the man is, or may have recognized him or the dog.

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If you have any information, you’re asked to call Harrison Township Police.

Heather Abraham