Thank you ((Paddym22)) and ((sanityseeker)) - right after it happened I called the police because I didn't want this to happen to anyone else or a smaller dog. They roamed around the neighborhood for 45 min. I understand the police are busy, but aggressive dogs are IMO a serious situation. The police didn't even come . I called the dog pound, but they were closed. Now, there's no point in them coming because the dogs are gone. I don't know who the dogs belong to - haven't seen them before out with their owners.