What Would You Do If Faced The Same Situation?
http://sgboleh.blogspot.sg/2013/05/video-of-man-hitting-worker-in-office.html" false;I dont know the reliability of this vid, but this is totally uncalled for.
Being somebody's son or brother, I believe certain respect should be given to all.
Boundaries should not be crossed unless life-threatening or protecting your loved ones.
Physical abuse on your subordinates really takes the cake.