UPDATE 12:20 p.m.:

Roosevelt High School was placed on lockdown Tuesday morning.

In a letter sent to parents and students, school principal Bryan Norwood wrote that a student reported seeing another student with a gun walking down the hallway.  At that point, the school went into lockdown and NEISD police were contacted.

The student was carrying a fake toy gun, not an actual gun.

Three students were taken into custody — two 15-year-old girls and a 14-year-old boy, who are all 9th graders.  They were each charged with terroristic threatening.

ORIGINAL:

SAN ANTONIO (KTSA News) — A scary morning for students at Roosevelt High School.

KSAT 12 is reporting that the school is on a lockdown after receiving two threats.

During a search of the campus, police found two plastic toy guns.

That’s when the lights were turned off and students were instructed to stay down. The district says that’s part of the protocol they follow when a weapon is found on campus.

There is no active shooter but police will continue to search for anything else that could be considered a threat.

The school will remain on lockdown while police conduct their search.

We will provide updates on this story as it continues to develop.

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