Brooke Ernst, an employee at the Mount Kisco location, 681 E. Main Street, said it has been "very busy" in the early evening. She also recalled there being a long line that stretched to a door when she arrived.
Co-worker Alex Funk noted that they went through two racks of donuts.
On Friday, Dunkin' Donuts had a notice on its website about the event. As a celebration of National Donut Day, according to the notice, free donuts are included with beverage purchases.
Information about National Donut Day is available at an event website.
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