101.   Police sealed off the area for investigation, Yonhap said.

102.   Police sealed off the area where the block was found and arrested the person who sold the material.

103.   Police sealed off the factory site after the explosion, preventing reporters gaining access.

104.   Police sealed off the quarter to keep away gawkers.

105.   Police sealed off the square at the heart of Beijing early Tuesday as thousands of vehicles of the mourners were parked in its vast expanse and soldiers practiced marching.

106.   Police sealed off Tiananmen early Tuesday as thousands of vehicles of the mourners were parked in its vast expanse and soldiers practiced marching.

107.   Police and paramilitary forces sealed off Jacobabad to outsiders and used tear gas to disperse rioters in a series of running battles around the city.

108.   Police briefly sealed off part of Sofia airport on Tuesday after an anonymous person called in a hoax bomb threat.

109.   Rebels sealed off the area on Monday, saying there had been clashes between the refugees and local residents.

110.   Rebels sealed off the area to foreign aid workers for nearly a week, making it impossible to bring in food or medicine.