FAIRFIELD, Ohio -- Officials in southwest Ohio say a 53-year-old man performing maintenance work at a bowling alley became trapped in the pin-setting machinery and died.

The Cincinnati Enquirer reports the worker at Northwest Bowling Alley in Fairfield died when his clothes became tangled. The man's name was not immediately released.

Police say it wasn't clear if the man had been strangled or crushed by the machinery.

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The Hamilton-Middletown Journal-News reports the Butler County Coroner had been called to the scene on reports the man had suffered major trauma.

The Occupational Safety and Health Administration sent an investigator. Agency officials said they haven't had any previous investigations at the bowling alley, which has been in operation since 1976.