Police says Judy Phillips suffered severe bites on her arm and leg.
The Tri-City Herald reports medics found her on the driveway of the house, and the pit bull was inside where another woman had locked herself and a young child in a bedroom. Police helped them escape out a window.
Benton County Animal Control captured the dog and is holding it in quarantine.
Phillips was reported in satisfactory condition by Sunday afternoon at Kadlec Regional Medical Center in Richland.
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