Report that dangerous animal to your Animal Control and let them see to it that the owner keeps the cat on its own premises. That is outrageous that your little dog is suffering because some irresponsible owner won't keep their own pets safe at home.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |