BROWNVILLE, Neb. -- Authorities are investigating the death of a worker at Cooper nuclear power plant in southeast Nebraska.
The Nebraska Public Power District says the contract worker was found dead in Cooper's reactor building between 7:30 and 8 Tuesday morning. The utility says natural causes are suspected in the death.
The plant's paramedics tried to help the worker who was employed by a contractor doing work at Cooper, which is near Brownville and about 80 miles south of Omaha.
The Nemaha County Sheriff's office identified the worker as 66-year-old Ronald Nurney, of Smithfield, Va.
NPPD officials notified the Nuclear Regulatory Commission and Occupational Safety and Health Administration about the death.
NRC spokeswoman Lara Uselding says her agency will monitor the investigation.