Rory has always been a little reactive on his lead around things which stress him. I trained and it was so much better and he was feeling much more confidant despite being knocked over by a cyclist and then a Jogger recently. He is very good now and looks forward to a treat and doesn't react very often. I was just entering the park another choc lab called Rollo was in there and when we walked through the gate a growling and snarling match started. nothing bad happened it was a bit of a handbags at dawn incident, all noise. I found it all very upsetting and strange. It just was not like Rory to do this anyway and to a dog he knows well and plays with? Times gone on and its never happened again I continued to train and Rory does not seem to overly concerned about this. obviously Rory was seen as the aggresor and some rumors few for a few weeks but I just ignored them and got on with my life. Turns out Rollo has a bit of a problem he will attacks people and dogs when he's on his lead. He's done it twice to Rory when we were in our garden and Rory just ignored him and sat as he was asked. I also saw Rollo do this to a man who was just walking passed. It was bad Rollo sounded really scared the man was terrified. I've found out it happens all the time. I now know it was not Rory who reacted badly that day he was just protecting himself as I thought but how do I tackle this. His owners a nice man but has done no real training, Rollo was castrated early because he was pulling? He still does but now has that lovely(not) tear inducing throat noise too. If I walk my dogs with Rollo when I go to leave and call my dogs in to put their leads on he grabs Rollo as its the only way to catch him now. He won't let his owner catch him on the park he just runs off . Its bad and I just don't know how to approach it. The man always says your dogs always come when you call (yeah always he he)and they walk nice on the lead and doesn't Rory like balls when Rory came to me rather than play. He found it strange that my dogs like to come to me rather than do there own thing. I think i'm going to have to talk to him just wondered if anyone had a similar experience and got any ideas.