EAST PALO ALTO – A private East Palo Alto school was locked down and searched Tuesday after a caller threatened to “shoot up” the campus, according to authorities.

The East Palo Alto Police Department said it received the call at 2:30 p.m. and immediately dispatched officers to The Primary School in the 2000 block of Clarke Avenue.

“Out of an abundance of caution, the school was secured and searched,” police said. “Once the area was deemed safe, children were safely released to their parents.”

No injuries were reported.

The incident is under investigation, police said. No arrests were announced Tuesday.

The Primary School is a private, tuition-free school developed in partnership with community organizations and health care providers, according to its website. It is funded through the

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