NEW YORK (CBSNewYork) — A homeless man with a criminal record dating back to the 1980s has been arrested for allegedly attacking a man at a Brooklyn public library Tuesday evening, police said.

Ralph Neptune, 46, falsely accused a man at the Brooklyn Heights branch around 7:30 p.m. of watching pornography on a library computer, 1010 WINS’ John Montone reports.

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1010 WINS’ John Montone reports

The two men apparently got into an argument before Neptune pulled out a knife and stabbed the 52-year-old victim in the neck and chest, police said.

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Neptune is charged with assault, weapon possession and menacing. He is being observed at Bellevue Hospital.

The victim is expected to recover.

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