Ajax High School was under siege this afternoon after it was reported to have received an online threat.
The incident happened at Notre Dame Catholic High School on 1375 Harwood Ave. N., north of Rossland Road.
According to Durham police, the school has decided to order the blockade.
“As a precautionary measure, the school was blocked while the Durham Regional Police Service (DRPS) investigated,” the board told CP24.
J. Clarke Richardson Collegiate, whose building borders Notre Dame, also observed a “precautionary block.”
The blockades in both schools were lifted shortly after 3:30 p.m.
– Durham Regional Police (@DRPS) June 20, 2022
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