The man was found in a restaurant in Irvinestown in County Fermanagh Police are investigating the possibility that a man found dead at a restaurant in County Fermanagh may have been overcome by fumes.
At about 1430 GMT, emergency services received a report that the man had collapsed at the premises on Main Street in Irvinestown.
His body was discovered by a member of staff at the rear of the building.
A police spokesperson said the possibility that he was overcome by fumes was one line of enquiry.
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