Very dodgy ground for couple of issues as been pointed out. Shooting has to be last resort but other options can land you in bother too. Friend of mine caught an alsatian chasing in lamb ewes. He tried to call it, tried to catch it tried to chase it out, in the end he threw a lump of firewood at it from back of truck, can't remember if it broke dogs leg or not but it enabled him to catch it & phone owner's. Long story short, he had RSPCA on at him with lots of ridiculous counts. Went to court & he was found guilty of animal cruelty, causing unnecessary suffering etc. I've shot a dog my