FDNY firefighter arrested after deadly bar fight

The NYPD says they have arrested a New York City firefighter after a bar fight in Queens left a 55-year-old man dead.

According to authorities, Justin Deieso, 35, was off-duty when he got into an argument with Devin Deegan, 55, behind the Terrace Inn Bar & Grill in Whitestone.

Deieso allegedly punched Deegan, causing Deegan to fall and hit his head on the sidewalk.

Deegan was pronounced dead at a hospital later. Deieso was arrested at the scene and is facing assault charges.

Officials are still waiting on results from the medical examiner to determine the exact cause of death.

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