NEW YORK (CBSNewYork) — The NYPD says it is aware of and investigating what’s being described as “ISIS selfies” posted on social media.

One photo shows a man standing at the snowy corner of 79th Street and Fifth Avenue with the Metropolitan Museum of Art behind him. He’s wearing a scarf with the logo of the ISIS terror group on it.

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The caption says, “We are in your backyard.”

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Another photo, taken during warmer weather, shows a man holding a smartphone displaying the ISIS logo with One World Trade Center in the background.

Experts say sometimes such images are genuine, sometimes they are photoshopped, CBS2’s Tony Aiello reported.

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The NYPD says it’s investigating, but there are no credible threats related to New York City.