Port Perry High School was evacuated after receiving a threat on Monday afternoon, police say.
Durham police said the school had been evacuated while R.H. Cornish Public School, which is located nearby, was placed in a hold and secure.
The hold and secure at R.H. Cornish Public School was later lifted. Police assisted with the "controlled exit of students."
Police said the investigation is ongoing.
We are investigating a threat to Port Perry High School. School has been evacuated nearby schools were placed into Hold and Secure for safety reasons. Ongoing investigation.— Durham Regional Police (@DRPS) November 9, 2020