Gosh, you must have been horrified. We all make mistakes in judgment from time to time. I guess what the others have said, about never leaving the dogs alone with the kittens is a good idea.

I leave my dog alone with my three cats and every time I do that, when I return, I am prepared to see damage to either the dog or one of the cats. I don't think they would ever kill one another but the cats go after the dog from time to time and the dog fights back. I think it is fairly common..... My cats fight with each other too.......

Lesson learned for you, I am sure.