US researchers evaluating fish in Vermont, USA find contamination with cancer-causing radioactive Strontium-90, which could date back to global nuclear testing of the 1950s, raising concern as to the safety of fish consumption everywhere.

http://www.thaindian.com/newsportal/sci-tech/is-radioactive-fish-a-cause-for-worry_100373365.html
http://www.postchronicle.com/news/strange/article_212304470.shtml
http://www.google.com/hostednews/ap/article/ALeqM5iTZh7xBg_qjTHzwhDIzy1Mzq3EEgD9G1C1300