UPDATE (Thursday): The San Luis Obispo County Sheriff's Office reports the threat suspect has been identified as a 13-year-old.
Sheriff's officials say they tracked the phone to Peoria, Arizona after a staff member had received the threat on their personal cell phone Wednesday.
Authorities say the teen had made similar calls to other schools throughout the country.
The incident is now under investigation by Arizona law enforcement.
—
UPDATE (5:03 p.m.) - In a message to parents, school officials said the sheriff's office concluded that there was no credible threat to the safety of students and staff at Los Osos Middle School and students were released.
The threatening call reportedly came from an out-of-state phone number.
School officials said classes would resume on Thursday as regularly scheduled.
___
UPDATE (4:14 p.m.) - Sheriff's officials say most students have now been released from campus and deputies are clearing the inside of the school at this time.
___
(3:23 p.m.) - Los Osos Middle School was placed on lockdown Wednesday afternoon after receiving a generalized threat, according to the San Luis Obispo County Sheriff's Office.
Parents received a message shortly after 3 p.m. that read, "We are currently on a lockdown. Out of an abundance of caution we are coordinating with law enforcement and will clear campus and excuse students when instructed to do so by law enforcement."
Sheriff's officials said deputies are currently on scene investigating the reported threat.
This is a developing story and will be updated with new information as it becomes available.
