U.S.

Associated Press
This 2011 photo provided by Donald Waters shows fish harvested from the Gulf of Mexico with unusual lesions and infections. Two years after the Deepwater Horizon rig exploded and sank, touching off the worst offshore spill in U.S. history, the latest research into its effects is starting to back up those early reports from the docks: The ailing fish bear hallmarks of diseases tied to petroleum and other pollutants. (AP Photo/Courtesy Donald Waters)

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