See the update at the end of this post on no suspicious device being found.
ORIGINAL POST, MARCH 6, 11:19 A.M.: Students and staff at San Clemente High School have been ordered to "shelter in place" on campus as sheriff's deputies investigate a bomb threat that was posted on a social media site, according to the sheriff's department and school officials.
Parents are being asked NOT to go to the school, according to a City News Service report.
A parent information line has been set up at (949) 234-5575.
From KNBC4: "The threat was discovered on downloadable social media app 'Yik Yak,' according to a tweet from the Orange County Sheriff's Department."
Check back for updates.
A bomb threat also closed San Clemente High on the first day of school in September 2011, when it was exposed in the journals of a Navy corpsman who failed to show up to his hospital assignment at Camp Pendleton. Daniel P. Morgan, who was a 22-year-old Navy medic at the time, was thrown in the brig for more than eight months after pleading guilty at a court martial hearing to unauthorized absence and disorderly conduct.
UPDATE, MARCH 6, 2:14 P.M.: Sheriff's investigators found no suspicious device(s) after a morning search of San Clemente High School, but staff and students were told to "shelter in place" through 1 p.m., according to sheriff's spokesman Lt. Jeffrey Hallock.
The school was to operate under a modified schedule after 1 p.m., added Hallock, who noted some deputies would hang back on campus the rest of the school day as a precaution.
Hallock added, through City News Service, more details about what sent his agency's deputies to the school around 9 a.m. A school resource officer investigating an unrelated issue came across a post on Yik Yak that indicated there was a bomb on the campus. Anonymous posts can be left via the application that resembles a Twitter feed.