A woman has died after a dog attack Wednesday at an animal-boarding facility in Phoenix, police said.

The attack occurred at Canine Country Club and Feline Inn near 24th and Washington streets, police said.

The woman, who was not identified, had significant injuries from bites and was found in a dog exercise area, said Sgt. Jonathan Howard, Phoenix police spokesman.

The 59-year-old woman volunteered for a rescue group called Akita Advocates, said Jose Santiago, a spokesman for Maricopa County Animal Care and Control, which also responded to the scene. He confirmed that the dog involved in the attack was an Akita.

"She was here potentially to socialize the animal to prepare it for adoption when the attack took place,'' Santiago said. "No one actually witnessed the attack.’’

Akita Advocates Relocation Team Arizona, which is based in Glendale, issued a statement on Facebook.

"She passed away while helping rehab an orphaned Akita in the hopes of him becoming adoptable," the post read.

The group also said that out of respect of her death, they would not be answering any questions.

Phoenix police had not confirmed the woman's name as of Wednesday night.

Santiago said a worker at the facility was walking on the grounds when he noticed the dog running free, covered in blood. The worker then found the woman severely injured on the grounds, Santiago said. Workers were able to secure the dog and call 911.

Police responded at 2:44 p.m., Howard said.

Howard said the woman was rushed to a hospital, where she died.

Santiago said the dog was owned by Akita Advocates, which told county officials it intends to take possession of the dog on Thursday and then put the animal down.

Santiago said the county agency will follow up to make sure that takes place, and if it doesn't, the county would investigate further and possibly confiscate the dog.

Santiago said Canine Country Club and Feline Inn works with various rescue groups to house animals that are being prepared for potential adoption or for shelters that run out of room. Santiago added that Animal Care and Control also uses the facility at times to house animals.

Greg Donahue, owner of Canine Country Club and Feline Inn, said no one who works at the facility reported seeing the attack.

"It looks like the dog turned on her,'' he said, adding that the woman was a volunteer who visited the facility several times a week for the past few years.

“It’s so tragic,'' he said. "A lot of upset people who’ve never seen anything like this, ever. We’ve never had more than a nip. And this is unbelievable.’’

Donahue said he wasn't sure how long the dog had been at the facility.

Police were at the scene investigating Wednesday afternoon.

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