Our expert says:
It is distressing twhen other can't look after their animals and keep them under control when out on a walk. I think the best would be for you to get a Baskerville muzzle for him and keep it on him when you walk him. Unfortunately that will not other dogs from coming to attack him. You can also report the owner of the "uncontained" dog to the SPCA or your city council as there are rules governing the keeping of dogs.
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