An explosion and boat fire in Merrick on Sunday injured a man trying to fix his motor, authorities said.

Nassau police said the victim, a 43-year-old man, was in Sea Dog Creek off Freeport when engine problems developed. The man piloted the boat to the rear dock of a home on Hewlett Avenue in Merrick. There, the man worked on the engine problem.

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But soon after, the engine exploded, burning the man's face, arms and legs.

The man was taken to a hospital. His condition was unclear Sunday night.

The Merrick Fire Department worked to put out the fire.