Bengaluru: The headmistress of the Bengaluru School where a three year old girl was sexually assaulted on Wednesday has been arrested after medical tests reported that the girl was indeed sexually assaulted. Also the chairman of the governing body of the school was arrested. The gatekeeper of the school, who is the main accused in the case, has already been arrested by Police. The incident occurred at a private school in Bengaluru. Similar incident had occurred in Bengaluru last year too where a student was also sexually assaulted.