What caused the evacuation of an Oakville school? Investigators search for answers


Published October 5, 2022 at 5:32 pm

Halton Regional Police are investigating into what appeared to be a 'noxious substance' that forced the evacuation of Blakelock High School on Tuesday afternoon. FACEBOOK IMAGE

What caused the evacuation of an Oakville school yesterday (Oct. 4)?

At this point, there are no answers as investigators are still trying to determine what was the noxious substance that forced students and teachers out of T.A. Blakelock High School and sent one to hospital.

While Halton Regional Police report no updates on the incident that left some at the school feeling nauseous, their investigation continues while classes at the school resumed this morning.

Halton police, the Oakville Fire Department and Hazmat teams where called out to the Rebecca St. school near the end of the day on Tuesday amid reports of a noxious smell and respiratory irritant near the front hallway of the school.

The school was initially put into “hold and secure” where no one was allowed into the building, but eventually all were sent home.

One teacher who was having breathing difficulties was transported to hospital. Other occupants were reported to also have had inhalation issues and complained of their eyes burning.


No life-threatening injuries were reported.

The Halton District School Board issued a statement Tuesday night saying classes would continue as usual Wednesday morning as the school has been declared safe.

A similar incident took place at Louise Arbor Secondary School in Brampton earlier in the day.


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