FILE - In this Nov.10, 2000 file photo an investigator points at the place of the April 26, 1986 explosion in reactor No 4 in the Chernobyl nuclear power plant. Twenty-five years ago, the Chernobyl ... more 
FILE - In this Nov.10, 2000 file photo an investigator points at the place of the April 26, 1986 explosion in reactor No 4 in the Chernobyl nuclear power plant. Twenty-five years ago, the Chernobyl Nuclear Power Plant exploded in Ukraine, spreading radioactive material across much of the Northern Hemisphere. less 
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Associated Press | Photo By Efrem Lukatsky, File
Sun, Apr 17, 2011 9:27 AM EDT