21.   Still, authorities sealed off the area with barbed wire and posted signs about the radiation risk while a commission studied the cause of the leak, he said.

22.   The authorities quickly sealed the area, forcing several thousand people to leave the market, and started negotiations.

23.   The government disaster office ordered municipal authorities to seal aqueducts used for drinking water and to avoid consuming any water which might have been contaminated.

24.   Western Command authorities immediately sealed camp exits after learning about the fire, thinking it was part of a plan for a mass escape.

25.   Following the Saint Michel bomb, the authorities sealed rubbish bins in the underground railway network, but bins above ground in the street remain open.

26.   In Libreville, an informed source said health authorities had sealed off the area concerned and issued advice to its inhabitants on what precautions to take.

27.   Israeli authorities have sealed an additional nine homes of suicide bombers and their families in preparation for their destruction.

28.   Israeli authorities sealed off the Palestinian territories until Sunday and deployed thousands of extra police to foil attacks aimed at marring the Washington signing.

29.   Israeli authorities sealed off the West Bank and Gaza Strip on Monday night, saying they had recieved information that Islamic radicals were planning anti-Israeli attacks.

30.   Authorities also sealed the offices of an independent weekly newspaper, and took in for questioning a prominent media critic.