1.   But the security forces, who appeared to remain loyal to Guei, blocked their advance.

2.   Despite repeated assurances by Sankoh that U.N. peacekeepers can go anywhere in the country, his soldiers have continued to block their advance.

3.   For several days, he tried to cross the river from Juarez into El Paso, only to have U.S. agents block his advance again and again.

4.   It has rolled through Germany in recent days drawing protesters and would-be saboteurs and even people prepared to lie down on the railroad tracks to block its advance.

5.   It was the second clash in four days between student factions, and took place when strikers sought to block the advance of the anti-strike demonstration.

6.   Meanwhile, an expansive, stationary high pressure system centered over Hudson Bay will block the advance of rain into the eastern Great Lakes and northern Middle Atlantic States.

7.   Stalled low pressure over eastern Canada will block the advance of moisture, keeping mainly dry weather over New York and New England on Saturday.

8.   The dispute is blocking the advance of the peace effort in this British province.

9.   The Israelis fired at gunmen, who tried to block their advance with obstacles and gunfire, Reuters news agency reported.

10.   Trying to block advances in the digital age is futile.