ARVADA, Colo. — Arvada High School was placed on lockdown for a credible threat was received on Wednesday, the Arvada Police Department said.
The lockdown was put in place about 11 a.m. at the school at 7951 W. 65th Ave. It was lifted about 11:50 a.m.
Police responded to the school and all students are safe, Jefferson County Public Schools said.
Jeffco Security and Arvada Police on scene @ Arvada HS. All students are safe. Lockdown won't be lifted until all rooms are cleared.
— Jeffco Public Schools (@JeffcoSchoolsCo) February 8, 2017
Students and staff were allowed to move around freely despite officers going through all of the rooms to clear them.
Arvada police said they received a credible threat, at which point a lockdown was initiated.
Police are investigating the threat. Officials would not release any additional information on the threat.