Anthony Bolante / Reuters

Updated on May 25 at 3:37 p.m. ET

Equipment failure caused widespread power outages in downtown Seattle on Wednesday. The power was restored after one hour.

The Seattle Times reports the power outage happened around 11:30 a.m. local time, shutting down around 60 percent of traffic lights and leaving several buildings without power. The Seattle Times adds:

Ironically, the Seattle City Light offices in the Seattle Municipal Tower were also without power.

“We have no power here, so we’re tweeting off our telephones,” [Connie McDougall, of Seattle City Light] said.

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