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Power restored after blackout in Toronto's east end

Toronto's skyline.

Fred Lum/The Globe and Mail

Power has been restored hours after an outage in Toronto's east end that  left thousands of people in the dark.

The boundaries of the outage were from St. Clair Avenue East, Lake Shore Boulevard, the Don Valley Parkway and Victoria Park, according to Hydro One's Twitter account.

It was estimated that 16,000 customers were without power.

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According to Hydro One, the outage was caused by protection equipment that wasn't working properly. The protection equipment is situated on a transformer and is supposed to limit the loss of power supply in case of a malfunction, Hydro One said.

However, when the protection equipment malfunctions, the transformer shuts down, which affected the supply of power to Toronto hydro customers this morning, Hydro One said.

A number of Toronto District School Board were affected by the outage but no closures were planned.

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