A Cambridge public school was placed under a hold and secure on Wednesday afternoon, according to the Waterloo Region District School Board.
It said end-of-day bell times had been changed at Silverheights Public School.
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The WRDSB says it is working with Waterloo Regional Police and will provide more information when it can.
“I confirm that at approximately 2:45 p.m., police responded to the area of Scott Road in Cambridge for a report of a suspicious person with a large dog,” Const. Ashley Dietrich told Global News in an email.
She said the board made the decision to place the school under a hold and secure.
The hold and secure had been lifted by 3:45 p.m.