report to the police. thats a dog dangerously out of control as defined in law and / or give it a good boot. After behaviour like that from the owner I certainly would report it as its clear they are not controlling it and will not.
I had to employ this technique a couple of years ago. I run a local trail at home and I’d never seen this particular yappy dog before, been using that trail for yonks (on and off bike) as it’s a direct route to the beach.. clearly not the only one to use it either…
Ran along it, yappy dog sets upon me. Wondering where it came from because I’d seen no-one on the trail, then further down the trail there’s a bungalow.. ahh.. so that’s it’s home… couple of times later and it attacks me again, so the next time I take my phone and lo and behold it’s back to attacking me. So I recorded the incident with the local council and thought nothing of it… a few weeks later and it’s back yapping so I booted it in the back leg and it yelped and stopped, then I heard someone shout at me so I ran upto them and told them what happened.. I got the “she’s only a little dog, she’s never done that before” excuses and I politely called that bollocks and told them I’d already reported it.
I take the opinion that you should try to reason with the owner, but if they are too stupid or retarded to understand then it’s fair game to kick the dog … hard, because it has to be taught.