11.   Roadblocks were thrown up at the northern approaches to Jerusalem and helicopters hovered overhead.

12.   The result, these critics say, is that the bureaucracy often throws up roadblocks out of ignorance over its new role in the changed power structure.

13.   You intentionally throw in roadblocks to see how it reacts.

14.   Police threw up roadblocks across key access routes Saturday while soldiers scoured the area on foot and by helicopter in search of the robbers.

15.   Police threw up roadblocks throughout the area in their search for the remaining escapees, but on Saturday night it remained unclear how many prisoners had escaped.

16.   Police searched for them with the help of helicopters and roadblocks were thrown up.

17.   Clinton and congressional Democrats agree this is an unfair feature of the tax code, but they have thrown up roadblock after roadblock.

18.   Early Sunday, police threw up roadblocks on the main approaches to the city.

19.   Hundreds of jobless workers threw up roadblocks around Buenos Aires and angry university students staged sit-ins and blocked traffic on major boulevards.

20.   It is accused by U.S. arms negotiators of throwing up roadblocks in Geneva-based talks aimed at promulgating a global Comprehensive Test Ban Treaty.