DANVILLE, Calif. (KTVU) - Monte Vista High School in Danville was on lockdown early Monday afternoon.
According to City of Danville Public Information Coordinator Geoff Gillette the high school was on lockdown due to an "unconfirmed, unverified threat found on campus."
Authorities say they learned the threat was not credible.
At this point additional details have not been released.
Stay with KTVU.com for updates.