My dog was attacked during his sleep by my older dog while he was asleep and now he wakes up very aggressive and attacks my other dogs. This doesn't happen all the time, it's very unpredictable. Everything is nice and peaceful all the dogs are asleep and then all of a sudden he growls and then lunges after the closest dog to him. I'm not sure if training is going to help with this.
Any help would be greatly appreciated,
Amiko