It's wrong to strike another person.
Anthony is at school on the playground when he notices a bully going around beating kids up.
Anthony wants to stop him from hurting anyone else.
Andrew runs to a teacher and tells them what the bully is doing.
Anthony tackles him and starts a fight before he can approach another kid.
The teacher stops the bully and the bully is kicked out of the school.
Anthony and the bully both get injured and expelled from school.