Officers were dispatched at 11:30 p.m. to the Copacabana Cafe at 12 Ives St. on a report of an assault, police said.
Upon arrival, officers found the victim, who was transported to Danbury Hospital, treated and released.
Any witnesses or anyone with information about the stabbing are asked to contact Danbury Police Department Detective Ethan Mable at 203-797-4662.
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