The plant operator said that a "brief electrical fire" at an Astoria substation involved "electrical transformers". "There are no injuries reported, and no fire", the New York City Fire Department tweeted. Smoke arose from the source of the blue light, visible from as far as Manhattan.
"I'm sorry what???? The sky just turned blue????"
Vision of the light show flooded social media, with residents taking to Twitter to broadcast what they were seeing out their windows.
Blue lights over the Queens borough of NY, reportedly caused by a fire at an electrical substation on December 27, 2018.
It was the second major incident involving Con Edison in the last six months.
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Con Edison, the power company, tweeted that it was working with the fire department "to respond (to) a substation fire in Astoria".
Say, NYC, wtf was this?
"The press secretary for New York City mayor confirmed via Twitter that the blue sky was "*Not* aliens".
A spokesman for the Federal Aviation Administration said a ground stop was ordered there around 9:30 p.m. because of the power failure but was lifted after about 45 minutes; the airport resumed its operations, he said. "The fire is under control, will update as more info becomes available", the New York Police Department tweeted.
Power was returning at LaGuardia Airport, de Blasio said, but travellers could expect delays.
LaGuardia Airport was shut down temporarily as the borough of Queens was lit with a blue light.