by Photo courtesy of Mater Dei Catholic High School via Facebook

The Chula Vista Police Department responded to another potential threat Thursday morning, prompting another brief lockdown at Mater Dei Catholic High School. 

The initial report was someone had a gun on campus, according to police. 

“Upon further investigation, officers determined that it was a misunderstanding about a massage gun being used by a student in a classroom. CVPD is not treating this as a crime,” the department tweeted. 

Authorities said the matter was turned over to school staff. 

The lockdown at Mater Dei High School follows a call the CVPD received of an “active shooter” threat on campus on Wednesday at around 1 p.m. from an out-of-state phone number. The caller sounded like a male and said he was locked in a classroom with several other students, and there were others injured nearby, according to police. 

The caller reported seeing two men with rifles on campus, according to the department. Chula Vista Police and Southwestern College Officers responded to the scene.

“Coincidentally, a Chula Vista Police officer was working on reports in a Mater Dei campus parking lot when the call was received. He was able to advise responding officers that the campus appeared to be operating as usual, with students still casually moving about the campus,” reads a CVPD news release detailing Wednesday's incident. 

Other officers arrived on the scene, along with the overhead support of Drone as First Responder (DFR) – one of the department’s rooftop-based drones controlled remotely by a Chula Vista Police Officer/Pilot. The drone officer confirmed there were no obvious indications of an actual threat.

The calls are believed to be a hoax that is similar to other falsely reported “active shooter” incidents in the state. 

Anyone with informaiton is asked to contact San Diego County Crime Stoppers and (888) 580-8477 or a P3tips (online mobile application) at if they wish to remain anonymous. 

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