A high school in the city of Santa Ana, California, will remain closed until Friday due to a credible threat to the campus, school authorities reported this Tuesday.
Members of the Mater Dei High School notified Santa Ana police after learning of the threat, according to a letter sent by school president Michael Brennan and principal Frances Clare to parents and guardians, the Los Angeles Times reported.
“Security and sweeping protocols were implemented. We recognize the alarming nature of this message. However, at Mater Dei we take all threats against the school seriously,” the letter stated.