VERNON HILLS, Ill. (CBS) — Police were forced to shoot and kill a pit bull Thursday morning in north suburban Vernon Hills, after it attacked a woman and her dog while they were walking near their home in a condominium complex.

Police confirmed a woman and her dog were mauled by a pit bull in the New Century Town subdivision. The woman suffered injuries to both her hands trying to defend her miniature Doberman Pinscher, who was badly hurt in the incident.

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According to a police report, four to six people came to the woman’s rescue, scaring off the pit bull with shovels and extension cords.

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When police arrived, the pit bull returned and charged at the woman again along with the officer. Police said the officer was forced to shoot and kill the dog. It’s not know if the dog was a stray.

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In a separate incident earlier in the week, am 83-year-old woman was attacked by two pit bulls while walking her dog in West Chicago. The woman’s dog was killed. The pit bulls were captured and impounded. West Chicago police were reviewing the incident to see if charges should be filed against the owner.