Mt. Carmel High School in lockdown as San Diego police secure campus

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A California high school was put on lockdown as cops were seen approaching with their rifles drawn.

A huge police presence surrounded Mt Carmel High School in San Diego after a reported threat Monday.

Sunset Hills Elementary and Black Mountain Middle School nearby also had their campuses secured.

A huge police presence surrounded Mt Carmel High School in San Diego after a reported threat Monday. KGTV

Mt Carmel’s public address system told students their classrooms would be checked by officers.

This is a developing story.