Lockdown lifted at Simi Valley High School after bomb threat

SIMI VALLEY, Calif. - Simi Valley High School was placed on lockdown for hours Wednesday following a bomb threat, officials said.

Officers were dispatched to the school located at 5400 Cochran St. around 8:39 a.m. after an anonymous caller reported the threat. The school was placed on lockdown and students and staff evacuated to the high school's stadium during the search.

"There is police activity around Simi Valley High School.  Roads around the school have been closed.  Please remain out of the area," a notification said.

SkyFOX flew over the high school and captured images of a K9 unit canvassing the campus.

No evidence of a bomb was found, officials said.

The following advisory was sent to families and staff:

"In collaboration with Simi Valley Police Department, the stadium is being checked and once it is secured, all students on campus will be evacuated to the stadium. This will enable police to check every classroom and building on campus. Students are being asked to leave their belonging in their classrooms. We have asked students to stay off of their phones and social media because of safety concerns. We will continue to update you regularly. Please do not come to the campus. All students and staff are safe. The situation is under control and additional traffic in the area can impede their efforts. Thank you."

The lockdown was lifted around 12:30 p.m. The school has resumed normal operations.