At approximately 3:26 p.m. police responded to a call reporting that a male at Balfour Collegiate High School was in possession of a firearm.
Police have been in direct contact with school officials and some parents.
There is no information to indicate that a firearm has been discharged.
Nine people have been safely escorted from inside the school.
The suspect who was reported to be in possession of the firearm has been located by police at a separate location. He is in police custody.
Police are continuing to investigate and remain on the scene. Police are asking the public to continue staying away from the area during this investigation.
Updates will be forthcoming when the area is cleared.