A shelter-in-place order at Gunn High School in Palo Alto was lifted after no threat was found, police said.
The order went into place around 2:30 p.m. after an "unconfirmed threat" to the school Monday afternoon.
“All students and staff are safe at this time,” the Palo Alto Police Department posted on X.
Nearby Fletcher Middle School was also under a shelter-in-place order as a precautionary measure, police said.
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Officers searched both schools on Arastradero Road.
At around 3:45 p.m., police said the search was over and students would be released at 3:50 p.m., following their regular schedule.
