A tugboat worker needed to be rescued by an NYPD Harbor Unit Thursday night when his arm got caught in a rope and was disconnected from his body, sources said.

The mariner was on a tugboat near the Statue of Liberty at around 9 p.m. when his arm got snagged and became severed just below the elbow, according to law enforcement sources.

Officers Paul Hessian, Jeff Meagher and John Kane of the NYPD Harbor Unit quickly responded to the scene where they fastened a tourniquet to the worker in order to cut off the flow of blood.

The worker was taken to Brooklyn Army Terminal and then transported to Lutheran Hospital. He was listed in stable condition.

Rescuers were searching for an arm in water Thursday night.

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