PINOLE, Calif. (AP) – A 40-year-old woman in the San Francisco Bay Area was severely mauled by her family pit bull.

Pinole Battalion Chief Steve Akre tells the Contra Costa Times that emergency crews found the woman with serious wounds to her arm, face and legs, and she had to be taken to a hospital by helicopter.

Akre says paramedics had to perform advanced life support treatment to stabilize the woman in the helicopter, and she’s now being treated at John Muir Medical Center in Walnut Creek. He name has not been released.

The pit bull, a male of unknown age, was taken into custody by Contra Costa County Animal Services.