My Uncle Slapped My Son Today

It was a regular family reunion on my side of the family. Despite our toxic past, I was excited to have my kids meet the side of the family I grew up around.It started out fine. My husband was barbecuing with my brother, while cracking jokes to my cousins. My son, 6, was playing football with the other kids. He got a little out of hand with the two hand touch tackle, and ended up pushing over his 3 year old cousin, Uncle’s grandchild. Before I knew it, my Uncle walked over and slapped my son before walking away with his grandchild.The entire family was terrified of him. He was the success story, the strong businessman, and no one would even consider telling him off. My father refused to look me in the eye, and Uncle’s wife claimed my son should’ve been more careful. Everyone was silent for a minute, until my son understandably started sobbing. It seemed to shake my husband out of his shock and he rushed inside the house to confront my Uncle, but was stopped by my brother. We left right after the incident.I’m writing this from our hotel room, sobbing to myself because I have no idea what to do. Half of me wants to call the police and have him arrested for ever laying hands on my son. Other half of me just wants to call him old and continue with the reunion like nothing happened. My younger kids, twins 4, are understandably scared of that entire half of the family now. The only thing that’s stopped my husband from fighting him is my pregnant self. My son hasn’t said a word, and has been trying to stop himself from crying which is somehow even more heartbreaking. The reunion still has four more days planned, and our plane tickets back home aren’t for a week, but I’m sure we can somehow change them.What can I or should I do? Any advice is welcome and needed.Edit: Gave my husband the thumbs up to call the police, and he is currently dealing with the situation back where it occurred. I’m currently comforting my son, and letting him know that everything that happened to him was unacceptable and Mom and Dad will always have his back. I’ve also assured him he did nothing to deserve getting slapped, and nothing he will ever do will warrant getting hit in any way. We’ve agreed we will be heading home as soon as possible, and using money saved up for the reunion to add to our Disney Jar. via /r/Parenting https://ift.tt/2zj5Vsd