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Authorities are on the scene after reports of an explosion in the lobby of 88 Lexington Avenue in Manhattan, New York, ABC 7 reports.
The residential building, by Lexington and 23rd Street, is in the process of being evacuated.
NBC New York reports that officials are saying there may have been a "small explosion" in the lobby, but that there are no immediate reports of injuries.
We'll update this post as we find out more...