In a video, a trampoline can be seen flying between cars during a powerful storm in Toronto, Canada on Saturday.

A trampoline can be seen flying between cars during a powerful storm in Toronto, Canada, on Saturday. (Photo: Reuters/Screengrab)

A trampoline can be seen flying between cars during a powerful storm in Toronto, Canada, on Saturday. (Photo: Reuters/Screengrab)

An eyewitness video shows a trampoline flying between cars during a powerful storm in Toronto, Canada, on Saturday (May 21).

The thunderstorm that nearly packed the power of a tornado rolled through Ontario, killing at least two people and left parts of Canada’s most populous province without power, authorities said.

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Over 340,000 customers were without power due to the severe storms, Hydro One Ltd, Ontario’s largest utility, said, adding additional resources have been deployed to restore power from extensive damage.

Ontario is home to nearly 40% of Canada’s 38.2 million population.

Environment Canada, which issued a mobile alert warning of the severe thunderstorms, said wind gusts of 132 kilometres per hour were measured at the peak in some parts.