1.   A conflict could get out of hand and degenerate into nuclear disaster.

2.   Scientists conducted a study of the area affected by the nuclear disaster.

3.   Two school authorities rejected the section on nuclear disasters.

4.   Following the Chernobyl nuclear disaster in the Soviet Union in that year, the North-Rhine Westphalia administration refused to give it the necessary licence to operate.

5.   The statement came after Bulgarian radio broadcast denials of rumours of a Chernobyl-style nuclear disaster at the facility.

6.   More than a hundred children who survived the Chernobyl nuclear disaster seven years ago have been experiencing life in rural England.

7.   Mr Maclean insisted that it was nonsense to suggest there had been any contamination of the food chain or to make comparisons to the Chernobyl nuclear disaster.

8.   And, of course, Gorbachev refused all Western assistance to contain the worst nuclear disaster ever.

9.   As terrible as the sinking of the Kursk was, it was not the worst nuclear submarine disaster in history.

10.   -- Ten years after the nuclear disaster, people still live -- and die -- in Chernobyl...