NEWBURGH, Ind. (AP): A southwestern Indiana sheriff says investigators believe foul play might be involved in the death of a man whose body was found at an Alcoa aluminum plant.
 
       Warrick County Sheriff Brett Kruse declined to release details about what might've caused the man's death. The body was found was found Monday morning by workers in the coal-handling system of the power plant at Alcoa's Warrick Operations along the Ohio River just east of Evansville.
 
       An Alcoa spokesman says it accounted for all of its workers.
 
       Authorities were working to identify the man found dead. The sheriff's department described him as a white man about 30 years old, with dragon tattoos on his upper right arm and left calf.