BRIGHTON, Colo. -- Brighton High School was placed on lockdown Friday afternoon, according to School District 27J. At 4:42 p.m., the Brighton Police Department said its officers had finished searching the school and determined it to be "all clear."
The school district said the situation was "not an active incident" and that authorities were investigating a tip submitted through the Safe2Tell program. The report said a BHS student had seen another student loading a firearm in a school restroom.
No weapon was found. No student has been identified as having presented a legitimate threat to others, the school district said.
Students were released after the school was searched.
All other schools in the 27J district were placed on lockout status during the BHS lockdown. About 4 p.m., the district said that students at those schools would be released on a normal schedule. Buses ran as normal, as did after-school activities.
A lockdown means no one is allowed in or out of the building due to a possible threat inside. A lockout means no one is allowed into the building due to a possible threat outside.
BPD officers were at the scene along with Adams County Sheriff's deputies. Brighton Fire crews were also at the school.
Earlier Friday, Carmody Middle School in Lakewood was also placed on lockout.