The San Antonio ISD says a person who was allegedly responsible for a 'threatening social posting' aimed at Highland High School was quickly located and detained at the school, News Radio 1200 WOAI reports.
The district says 'at no time were students in any danger' and the school day proceeeded normally.
The person was described as an 18 year old who is not a Highlands student
The individual is being questions in connection with the offenses of 'criminal trespass' and 'false alarm or report.'