FREMONT (CBS SF) — Students at a middle school in Fremont were evacuated from campus Friday morning following a bomb threat, according to police.

Fremont police said Thornton Junior High School was evacuated following the threat, which was made anonymously over email. The students were dismissed at 9 a.m. and walked to Cabrillo Shopping Center just west of the campus, according to the Fremont Unified School District.

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Police said nothing suspicious was located after a thorough search. The all clear was given shortly after 10:30 a.m.

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Parents were being told they can call their students to provide verbal permission for them to walk home; otherwise, students were to be picked up at the shopping center.

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The district was also working with Alameda County Transit to arrange for transportation for students who normally ride the bus in the afternoon.