Oxnard High School in Ventura County, California was placed under lockdown early Thursday afternoon after police said they received a report of a possible gun on campus. However, no shooting was reported.

Oxnard Police Sgt. Edgar Fernandez said officers searched the campus. “No weapon was found,” he added.

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Fernandez said police were called about an apparent fight on campus. They also received a report there might be a gun in a classroom.

The department was in the process of informing the parents of students in the affected classroom where police activity disrupted instruction, said Fernandez.

According to Senerey De Los Santos, a spokesperson for Oxnard Union High School District, the lockdown remained in place while police searched the classroom.

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“We would like to remind everyone that if you see something, say something,” De Los Santos said. Anonymous WeTip reports can be made by calling or texting 844-805-2580.

The lockdown was lifted after 50 minutes, according to the Oxnard Union High School district.

No suspects have been identified and no further information was released regarding ant arrests. However, the police asked the public to stay out of the area.

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According to Fox3now, multiple students have been taken into custody.

This is a developing story