11.   Humanitarian concerns are rising, the diplomat added, as refugees have once more had to flee fighting in several villages.

12.   Soon after its construction, concern rose over its effect on salmon runs up the river.

13.   Still, while concern may be rising, even many voters who worry about the uninsured are wary of big solutions, some analysts say.

14.   That concern rose in recent weeks amid talk that Japan would use public funds to bail out its banking system.

15.   The heavy thoughts would start growing in her head, each concern rising up next to the other, with some strange Jiffy-Pop effect.

16.   While these efforts have had some success on Georges Bank, concern has risen recently over scallop fishing and about collapsing cod stocks in the Gulf of Maine.

17.   With life expectancy falling, there is rising concern both here and in the West that Russia is struggling to maintain the well-being of its people.

18.   With life expectancy falling, there is rising concern both here and in the West that Russia is struggling to take care of its people.

19.   As the rebels advanced on the capital, concerns rose for the safety of foreigners in the country.

20.   But concern rose when researchers recently discovered the genes of all pigs harbor a previously unknown virus that test-tube experiments showed could infect human cells.