UPDATE: The lockdown at Cold Springs Middle School has been lifted and most of the people who were stuck on campus have left. Reports of a man with a gun interrupted family movie night on the north valley school's campus.

RENO, Nev. -- An event at Cold Springs Middle School is on lock-down and police are setting up a perimeter after reports of a man with a gun.

Washoe County Sheriff's Deputy Armando Avina tells KOLO 8 News Now that Washoe County and Reno Police are helping school police to set up a perimeter to prevent people from entering or leaving the area.

At this point information is still sketchy, but no one seems to have been hurt. Reports vary from a man holding a gun to a man with a gun in a holster. There is no official word on how many people are on the school campus but it could be as many as 200. School administrators are on the campus as well.

KOLO 8 News Now has a crew on scene and will bring you more information as it becomes available.