New York City Mayor Bill de Blasio Bill de BlasioOVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right EPA threatens to close New York City office after Trump threats to 'anarchist' cities New Year's Eve in Times Square to be largely virtual amid pandemic MORE (D) and New York Gov. Andrew Cuomo (D) are calling for an investigation into a widespread power outage that hit midtown Manhattan Saturday night.

“With the power back on, I’ve directed City agencies to investigate this evening’s blackout. They’ll work with ConEd to get to the bottom of what happened tonight and prevent another widespread outage like this,” de Blasio tweeted after returning to the city from the campaign trail in Iowa.

With the power back on, I’ve directed City agencies to investigate this evening’s blackout. They’ll work with ConEd to get to the bottom of what happened tonight and prevent another widespread outage like this. https://t.co/r8Cl41SDsU — Mayor Bill de Blasio (@NYCMayor) July 14, 2019

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"You just can't have a power outage of this magnitude in this city" Cuomo said, according to The Associated Press. "It is too dangerous, the potential for public safety risk and chaos is too high, we just can't have a system that does that, it's that simple at the end of the day."

No injuries were reported during the outage, which lasted about five hours and affected about 45,000 customers, according to the AP.

The New York Fire Department said it had traced the blackout’s origins to a transformer fire that began at West 64th Street and West End Avenue.

De Blasio and Cuomo both praised the city’s first responders and citizens for their handling of the blackout, which occurred on the 42nd anniversary of the city’s 1977 blackout.

“When things are at their worst, New Yorkers are at their best, and they were at their best tonight,” Cuomo tweeted Saturday evening.