[kitty]

She attacked Alexis last night. It was bad enough to take Lady Alexis to the vet. He put her on antibiotics since she has some really nasty bite wounds. What should I do? Kitty has never behaved so badly before. I don't know why she even did it. Alexis was asleep when Kitty attacked and Alexis immediatly went submissive. She rolled on her back and peed everywhere. When I got Kitty to let go Alexis ran away. Before I could get Alexis, Kitty had her again and was shaking her by her face. I'm at a loss on what I should do. Kitty has been through obedience school but wouldn't mind me when this happened. Any suggestions?