Castle Dome Middle School was locked down Friday morning after authorities were notified of a possible threat of violence .

The Yuma County Sheriff's Office received the report of an employee of the school receiving threats of an assault. Yuma Police were notified and the middle school and surrounding schools were placed on lockdown as a precaution. Investigators were led to 33-year old Jonathan Christopher Corral of Yuma who was arrested at his place of employment. He was not armed with any weapons at the time of his arrest. Corral was booked into Yuma County Detention Center for two counts of threats and intimidation per domestic violence. The schools were in lockdown for less than an hour.