The vet needed an X-ray of the rescue dog before giving a specific vaccine, which is how the woman found out the news.

[WATCH: In the video player above, learn how to survive an animal attack.] A woman was killed in a suspected mountain lion attack while she was hiking alone in the mountains of northern Colorado on ...

A woman was killed in a suspected mountain lion attack while she was hiking alone in the mountains of northern Colorado on Thursday, in what would be the first fatal attack by one of the predators in ...

(AP) - A woman was killed in a suspected mountain lion attack while she was hiking alone in the mountains of northern Colorado on Thursday, in what would be the first fatal attack by one of the ...