1.   A radiation leak occurred at a Russian nuclear power station.

2.   Similar tests in the Baltic Sea have not shown evidence of radiation leaks either.

3.   They stressed, however, that there had been no radiation leak at the plant, which is of the Chernobyl type.

4.   They did not cause any radiation leaks and posed no danger to the environment.

5.   A few people were critically injured in Japan, but the radiation leak was quickly contained and the effects were limited to a few blocks.

6.   A federal appeals court had ruled that trials could proceed on claims that radiation leaks from the accident caused leukemia and other cancers.

7.   All three methods require the construction of thick concrete walls to shield against radiation leaks.

8.   But late last year, just as he began to make progress toward using the isotope against cancer, a radiation leak was discovered in a laboratory storage tank.

9.   Earlier, a federal appeals court said the lawsuits could proceed to trial on claims that radiation leaks from the accident caused leukemia and other cancers.

10.   European governments are devising a cut-price solution to warn of radiation leaks from the aging reactors in Russia and other former communist countries.