Secure zones will be established around all venues and hand-held screening equipment will be used at entrances.

A network of surveillance cameras will also be in place, and the equipment that can scan for biological or nuclear threats will also reportedly be deployed.

As to reports that terrorists are a threat and may go as far as infiltrating contractors to gain access to security planning, Mercer said, "our threat at present is low."

"I know where the security plans are, the security plans are secure, they're safe, they're locked up and they're not in any danger of being leaked or be in the hands of anybody we wouldn't want them to be in."

Mercer said his goal is not only to ensure safety, but also best service.

"I'd be personally disappointed if anybody left here and all they remembered was security," he said.

"So our goal is to do it the Canadian way. Security will be there, security will be subtle, security will be friendly based on the threat level we're at today."

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