The school went into a lockdown while the London Police Emergency Response Section searched the school for precautionary reasons, while other members of the London Police Service searched for the suspects.
At approximately 12:50 PM, three male suspects were located in an area away from the school and taken into custody by London Police.
At approximately 1:05 PM the school was cleared and the lockdown was lifted. The school resumed its normal activities.
No one was injured as a result of this occurrence. The London Police are continuing their investigation.
Police have charged a 16 year old male with robbery and uttering death threats.
Police have further charged an 18 year old male with robbery.
The third male, an 18 year old, was charged with possession of marihuana.
One of the 18 year old males is a former MTS student and the other two are current students.
The gun in question has not been recovered and police are continuing their investigation into this firearm.