A false alert about an active shooter at Hudson Yards caused a brief but “heart pumping” panic Wednesday afternoon before it was confirmed to be a mistake.

The NYPD confirmed that the alert ultimately turned out to be a “training exercise” at 31 Hudson Yards — which is home to the headquarters of the Equinox Group, the luxury fitness and health company.

“We just had an active shooter scare at my office, holy s–t my heart is still pumping,” an X user who said they work in the building posted just before noon.

A report of an active shooter at Hudson Yards caused a brief panic on Wednesday afternoon before it was confirmed to be a mistake. Google Maps

Police wouldn’t say if the alert prompted any emergency response, and it’s unclear what caused the false alarm to be sent out.

The Eq

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