UPDATED | November 3, 2016 5:15 PM

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COLLEYVILLE (KRLD) – A 16-year-old Colleyville Heritage High School student is in custody after police say they brought a gun to school.

According to the principal of the school, Dr. Lance Groppel, the gun wasn’t loaded.

Police said around 2:40 p.m. Thursday, school staff received a tip from a fellow student regarding a 16-year-old boy with a gun. 

The School Resource Officer and the school principal contacted the student and searched the student’s backpack.

Police said they discovered a .45 caliber Remington semi-automatic handgun. While the gun wasn’t loaded, police said there was ammunition in the boy’s backpack.

Police determined the weapon belonged to a family member. 

The investigation determined no threats were made by the student at any time.

In a letter to parents, Groppel said they believe this is an isolated incident and that campus administrators are working with police to assist their investigation.

Panther Community,

This afternoon, Colleyville Heritage High School administrators had reason to believe there may have been a student with a gun on campus. Police were immediately contacted, took the student into custody and confiscated an unloaded weapon. Campus and district administrators believe this to be an isolated incident.

At this time, campus administrators are working with local authorities to assist in their investigation.

Safety and security in GCISD is of the utmost importance and we will continue to be vigilant in our efforts to protect students and staff.

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