21.   It stepped up security even further after the shooting, throwing up roadblocks near Seoul and tightening protection for politicians and other possible targets of terrorism.

22.   Police were searching for them with the help of helicopters and roadblocks were thrown up.

23.   Pro-democracy leader Aung San Suu Kyi was stopped from holding her rallies for the third weekend in a row Sunday as police threw up roadblocks leading to her home.

24.   Roadblocks were thrown up and the search was concentrated on the thick forests of the Moselle region, combed by police in helicopters.

25.   Soldiers threw up roadblocks and began searching mountains in the area, the ministry said.

26.   That report could not be independently confirmed, but throwing up roadblocks that travelers think have been set up by security forces is a common tactic.

27.   The market also was pressured by concerns China is throwing roadblocks in the way of U.S. soybean exports.

28.   They hijacked a Renault Espace car, according to police who threw up roadblocks throughout the area.

29.   Troops threw up roadblocks leading to Serbia proper, as the Serb escapees would be unlikely to retreat toward the southern, predominantly ethnic Albanian part of Kosovska Mitrovica.

30.   He said that the IRA was not throwing a roadblock in the peace process and in all probability would co-operate with the Mitchell commission.