Ottawa police say there is an ongoing investigation at Glebe Collegiate Institute.
In a post on social media, police said the school is currently on lockdown and nearby residents have been notified.
“There are no reported injuries at this time,” police said. “Please avoid the area and follow all police directions.”
CTV News Ottawa has reached out to the Ottawa-Carleton District School Board for more information.
This is a breaking news story. Check back later for updates.