NORTHPORT, N.Y. (CBSNewYork) — A Long Island watering hole once frequented by legendary Beat Generation novelist and poet Jack Kerouac has been destroyed by fire.

The fire broke out around 7 a.m. Tuesday at Gunther’s Tap Room on Main Street in Northport. Fire officials said the blaze took three hours to put out.

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The fire was terribly tough to fight because the bar had tin ceilings and walls, firefighters said.

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A Newsday report said three firefighters suffered minor injuries, and six residents were evacuated from the apartments above the bar.

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Investigators late Tuesday said it appeared that the flames started behind the bar, but they were still looking for the cause.