11.   Back in October and November, federal authorities sent out a first round of subpoenas meant to find out which laboratories possessed anthrax, particularly the Ames strain.

12.   But state health authorities sent in the workers in protective suits to check the box, just in case.

13.   By nightfall, though, authorities had sent them home, and police were turning away visitors.

14.   Contra Costa County authorities sent the semen to Cellmark Diagnostic Laboratory in Germantown, Md., a leading DNA testing lab.

15.   If he went on a hunger strike, he said, the authorities would send the police and drag him away to an institution.

16.   It has also given new life to previously dubious Serbian claims that the Bosnian authorities are sending armed groups into Serbian territory.

17.   Last Sunday, provincial authorities sent riot police to the town, but they withdrew after villagers pelted them with rocks.

18.   Nevertheless, the state authorities sent surveyors to prepare the final plans for construction.

19.   Provincial authorities sent riot police to restore order on Sunday but they withdrew after villagers pelted them with rocks and blocked streets with barbed wire.

20.   The authorities have sent parents in the district an announcement that such schools are being closed.