A lockdown was issued at Brush High School after a loaded gun was found on school property Friday morning.
According to school officials, an anonymous threat was called to the district's 1-800 tipline.
A "Shelter in Place" was issued when a loaded gun was found, which immediately led to the school being placed on a lockdown.
Police investigated the threat and lifted the lockdown after taking a juvenile into custody.
No one was injured, and there is no active threat, according to school officials.
Police will continue to investigate.
