CHICAGO (STMW) — A live round of ammunition was found Sunday morning at Huntley High School while the school was being used for church services in the northwestern suburb.

Officers were called to the high school at 13719 Harmony Rd. about 11:20 a.m. after a single bullet was found in the hallway near the Performing Arts Center, which was in use by the Willow Creek Church at the time, according to a statement from the Huntley Police Department. A church attendee turned the bullet over to church personnel.

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Huntley Community School District 158 personnel responded to the school and, after he church services were done, the high school was locked down, police said. Employees that were still in the school at the time were escorted out of the building.

Huntley Community School District 158 personnel, along with the Kane County sheriff’s office K-9 Unit, the Cook County sheriff’s office K-9 Unit, the Bureau of Alcohol, Tobacco, Firearms and Explosives K-9 and Huntley police searched the school, police said. No additional “suspect items” were found and the building was reopened about 4:45 p.m.

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School staff told investigators that the school is cleaned every weeknight by custodial staff, meaning the bullet was likely not present during the school day Friday, police said, adding that the bullet was found in a location that is used by various entities outside of school functions.

School families have been notified of the incident via an email from the Huntley Community School District 158.

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