91.   Thousands of riot police with helmets and shields stood guard but did not prevent the workers from marching several blocks to a Roman Catholic church.

92.   Thousands of riot police deployed around schools and churches in Seoul to prevent workers from regrouping for more protests.

93.   Toxic fumes in the tunnel had prevented workers from retrieving bodies, Salzburg Gov. Franz Schausberger said at a news conference Sunday.

94.   Toxic fumes in the tunnel had prevented workers from retrieving bodies, Salzburg governor Franz Schausberger said at a news conference Sunday.

95.   Tribesman on Sunday prevented workers from repairing a damaged oil pipeline that they blew up two days earlier in northeastern Yemen, tribal leaders said.

96.   U.N. employees complained that favoritism and the fiefdom system prevents talented workers from advancement.

97.   He said UNRWA workers had been prevented from carrying out their job in the camp.

98.   Israel also decided to seal off the Gaza Strip until further notice, preventing Palestinian workers from entering the Jewish state, military sources said.

99.   A portion of the tunnel leading to the shaft had collapsed, trapping the miners and preventing rescue workers from reaching them.

100.   Armed strikers, however, have blocked the mine entrances, preventing non-striking workers from entering the premises, management said.