Transcript for Big Cat Sanctuary Volunteer Mauled to Death
A deadly attack at an animal answer sure outside portland, oregon. One of the workers attacked. She did not survive. The remote area making it extremely difficult for rescuers to get to her. Here's abc's aditi roy. Reporter: The sun had already set at wildcat haven in sherwood, oregon, when officers responded to a 911 call saturday night, looking for a caretaker mauled by an exotic cat. Talking to the other officers, it's dark. This is a pretty remote area here. The area inside there also has wild look to it. Reporter: By the time they got to the woman, seen here in a story about the answsanctuary, she was already dead. Investigators don't know if the big cat's enclosure was left open or if it escaped. Abc news tried to reach out to wildcat haven. Our messages have not been returned. It's just the latest attack at a wild animal rescue. The person is still in the enclosure with the kwlin. Reporter: In march, diana nson was killed by a 550-pound lion, which escaped from its feeding pen at a kra sanctuary. And in june, 21-year-old marissa dubb was critically injured when a tiger attacked her at an indiana animal refuge. These are wild animals and even in situations where people who know lots about them and work with them, at the end of the day, they are what they are, which is wild predators. Reporter: Authorities in oregon say all the cats at wildcat haven have now been accounted for. Aditi roy, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.