Spot on, dont wait for it to happen, tell them to keep it away, if not do as above. Another thing i do when the dog is full grown, if the other [WANKER] wont put ther dog on a lead. I Loose my dog so he can defend it self, either to[ run or fight,] and it cant do it on a lead.? And most lurcher of 24in 59lb, like my dog are [strong+Agile] and can do alot damage, so its there[ OWN] fault