Update: All-clear issued after bomb threat at Tamalpais High School in Mill Valley prompts evacuations

MILL VALLEY -- Tamalpais High School in Mill Valley has been deemed safe after a bomb threat Wednesday morning canceled classes for the rest of the day and prompted evacuations and a search of the campus, police said.

The threat was called in at about 9:30 a.m. at the school at 700 Miller Ave. and school administrators contacted Mill Valley police and evacuated all students to the football field on campus, according to a letter sent by principal J.C. Farr to the school community.

A reunification center was set up at the Mill Valley Community Center at 180 Camino Alto where parents and guardians were asked to pick up their students. Police said residents in the area surrounding the school were also ordered to shelter in place as a result of the threat.

As of shortly after 2 p.m., Mill Valley police said a search of the campus, with the assistance of police dogs, had concluded and the shelter-in-place orders had been lifted.

The campus will remain closed with all activities suspended for the rest of the day, according to police.