Buildings stand as the night sky is illuminated by blue light in New York, US, on Thursday, Dec. 27, 2018. Authorities said the blue flash was likely the result of an explosion at a power plant at Astoria East & North Queens. The investigation is underway. (Photos: VCG)

This video grab taken from footage obtained courtesy of Andrew Rios taken on December 27, 2018, shows a blue light caused by a transformer explosion at a power plant in Queens on December 27, 2018.

This video grab taken from footage obtained courtesy of Alexander C. Kane taken on December 27, 2018, shows a blue light caused by a transformer explosion at a power plant in Queens on December 27, 2018.