11.   The EPA announces a crackdown on smog and other airborne pollutants.

12.   The federal Bureau of Alcohol, Tobacco and Firearms has announced a crackdown on ginseng.

13.   The IRS this week announced a crackdown on business people who fail to withhold and turn over taxes.

14.   Two years ago, the NFL announced a crackdown on off-field violence.

15.   Yeltsin has already announced a crackdown on tax-dodgers including distillers who have not been paying duty on alcohol.

16.   Other official media have announced crackdowns on access to foreign television broadcasts via satellite and cable links, and on the content of calendars and advertisements.

17.   Pakistan denied involvement and announced a crackdown on the groups.

18.   Both city and federal authorities tend to announce permit crackdowns in times of political crisis.

19.   Cabinet ministers declared their resolve to wipe out sectarian violence, which has been on the rise since Musharraf announced a crackdown on Islamic extremists in January.

20.   Following the bombings, Beijing announced a crackdown on explosive sales.