This kind of incident happens all the time all over the UK, makes me laugh at some of the shite people spout about bullbreeds though!!
I know full well what mine is capable of and what is likely to make him lose his cool!! I'm constantly asking people to put their dogs on a lead even though my boy is extremely social and a steady dog. But I know if their dog was to give it he'd finish it, and in the eyes of the general public that have read all the horse shit in the papers etc I'd be at fault for owning a bull breed. When in actual fact thats bollocks, they should like me have their dog un