NY sky turns blue. Dec 30, 2018 2:26:26 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Swampy on Dec 30, 2018 2:26:26 GMT -5 An explosion at an electrical power station in New York City on Thursday evening lit up the sky with an eerie blue light - and triggered a flurry of speculation on social media.Wow!