41.   A potential roadblock is lack of documentation.

42.   Alliance troops were setting up roadblocks on streets were Arabs and others associated with al-Qaida movement had been living.

43.   After several days of complete closure, the roadblock is now open for two hours in the morning and two in the afternoon, at least in theory.

44.   Another roadblock is recent stock market volatility.

45.   But the roadblocks were enough to cause major traffic snarls.

46.   Chechen roadblocks were unmanned and Goragorsk residents standing along the road stared at the Russian units rolling past.

47.   Chechen roadblocks were unmanned and the column met no resistance.

48.   Drug roadblocks are generalized searches to discover evidence of criminal activity, without probable cause or reasonable suspicion, the court said.

49.   Eyewitnesses said the roadblock was set up for several hours and that neither police nor soldiers, perhaps fearing civilians could be hurt in a crossfire, intervened.

50.   Israel says the roadblocks are necessary to keep militant attackers out of the country, but the military is reassessing its policy after the fatal attacks.