Police in Guelph, Ont., have confirmed a local resident received a letter bomb this week, the third explosive to be sent in the mail in southern Ontario recently.
John Becker contacted police after receiving the suspicious Canada Post Xpresspost package.
"It was a mail bomb and it would have killed me if it went off," Becker told the Canadian Press.
"I'm hoping that it was a random act, and that the police are able to track it back and find the person that did it," he said.
The area around the man's home was evacuated and the Explosives Disposal Unit detonated the package.
The blast blew a hole the size of a large book into the man's deck and shot unidentified projectiles into the wood, causing it to splinter.
"The disposal unit, based on their initial look at the material after it was detonated, had the opinion that it certainly had a charge," Sgt. Cate Welsh of Guelph police told CP.
"It has not been determined whether it was delivered to that address deliberately or randomly."
Toronto police issued a warning this week after two other letter bombs were sent to Toronto addresses.
One man suffered injuries to his hands after he opened the suspicious package.
Both packages were bubble-wrapped envelopes, had properly addressed courier receipts, and contained petroleum-type fluid.
Welsh told CP that Guelph police contacted authorities in Toronto after the device was found.
With files from The Canadian Press
