NYPD officials told NBC New York that a 5-foot-long piece of debris was found today in a narrow alley between two buildings in Lower Manhattan. Authorities believe it may be a piece of a plane that hit the World Trade Center on September 11, 2001.

https://twitter.com/MyFoxTampaBay/status/327886711357071361

One of the buildings where the debris was found is reportedly the site of Park 51, more commonly known as the site of the proposed “Ground Zero Mosque”:

https://twitter.com/OrenNYDN/status/327885674722246657