UPDATE: 10:42 a.m.

Waterloo Regional Police Service have lifted the hold and secure at CHCI. All students and staff are safe and the school day will continue as normal.

At around 9:40 a.m., a Hold and Secure was issued at Cameron Heights CI due to a threat. Waterloo Region Police Services have been called and are investigating the incident. Throughout a Hold and Secure, school life continues as normal inside the school, but outer doors are locked and no one enters or leaves the building. Please check back here for updates or follow us on Twitter or Facebook.