Tens of thousands of people in Ottawa and Hull, Canada, are without electricity after two tornadoes hit the nation’s capital Friday evening.

The Consumer Electronics Show (CES) in Las Vegas, among the most prominent industry trade shows in the world, was hit with a major power outage on its second day, forcing attendees to walk around in the dark.

The world’s busiest airport ground to a standstill on Sunday, as a sudden and severe power outage grounded more than 1,000 flights at Atlanta’s Hartfield-Jackson International Airport.

The U.S. Justice Department is reducing the huge backlog in the immigration courts by using video-streaming to enable U.S. judges in Puerto Rico to oversee cases in mainland courtrooms, despite the huge damage inflicted on the island by recent storms.

A fire at a Pacific Gas and Electric (PG&E) substation caused one of America’s largest cities to come to a standstill on Friday, the SFGate online reported. The outage in San Francisco took place at 9 a.m. Pacific Standard Time

Shortly after Republican vice presidential nominee Gov. Mike Pence began speaking to over a thousand people at a Halloween evening airport rally for the Trump-Pence ticket in Clearwater, Florida, every light in the place went out and Pence was left without power to his microphone.

All 3.5 million Puerto Ricans residents were without power for a second day Thursday following a fire at the grossly inefficient and allegedly corrupt government-owned electrical utility.

The White House is in the dark — literally — as the power blinks off in Washington, D.C.