An off-duty FDNY firefighter was busted for allegedly beating a stranger with a cane as tensions flared near Times Square early Tuesday — part of a 24-hour spurt of violence around the tourist hotspot, cops said.

Lexiano Harris, 32, allegedly attacked a 51-year-old man with a cane during a fight at 42nd Street and Eight Avenue around 3:30 a.m., leaving the victim with a cut and a scrape on his cheek, police said.

Harris was charged with assault, criminal possession of a weapon and criminal possession of a controlled substance, authorities said. 4

The pre-dawn unrest came less than 24 hours after another attack in the heart of the Crossroads of the World.

At around 4 a.m. Monday, a 30-year-old man was slashed on the right side of his face at 47th Street and Seventh Avenue. He was

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