11.   Croatian and Slovenian health workers also were testing suspicious-looking letters for anthrax, but officials said Wednesday that initial results indicated they were all false alarms.

12.   Lab workers were testing dozens of blood samples from humans and livestock suspected to have died from the mysterious disease in remote, flooded parts of northeastern Kenya.

13.   No workers tested positive Wednesday for exposure to Sarin, the same type of gas used in several Tokyo subway attacks this year.

14.   No poultry workers have tested positive for the virus so far.

15.   Purpose-built for SIA Engineering Company, the lift is large enough toact as a work platform to enable workers to test aircraft engines in anelevated position.

16.   The explosion occurred after workers had been testing the gas system of the office park in this posh suburb of the northern industrial city of Monterrey.

17.   Workers had been testing the gas system there, and an accumulation of gas was suspected, he said.