if you're at a park or soft play place for example? I usually say something like "oh just find somewhere else to play" to ds when he tells me another child has hit him - I don't feel I can confront the other child unless I actually see the incident - but I'm never quite sure if that's right. It just seems a bit weedy. I don't want to tell ds to hit the other child back of course, but I'm sure I'm missing valuable opportunity to teach ds that hitting is wrong.