Police describe the man as wearing a blue jumpsuit, a ski mask and goggles, News 12 reported.
The man got away in a black Audi that had Connecticut license plates, News 12 added.
Pound Ridge Police Chief David Ryan did not return a message seeking comment.
The KeyBank branch is located at 56 Westchester Ave., which is in downtown Scotts Corners.
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Click here to see the News 12 report
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