The man was walking out of the Thistle & Mirth at 44 West St. just after 9:30 p.m. with several other patrons when he was attacked, Pittsfield police said. Officers arrived but did not find the victim.
He walked into the Berkshire Medical Center with a stab wound a short time later, police said. The man is expected to survive.
Investigators do not believe this is a random attack.
Pittsfield police ask anyone with information to contact Detective Lowsaw at 413-448-9700 x572.
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