1.   Since then, those blockades have tightened, with new trenches dug and bales of barbed wire piled high.

2.   A few miles to the south, near the village of Nezuk, the Bosnian army has dug new trenches and positions outside the buffer zone.

3.   Bosnian government troops again holding most of the Bihac pocket after reclaiming much of the region earlier this week were digging new trenches south of Bihac town.

4.   Bosnian government troops again holding most of the Bihac pocket after regaining much of the region earlier this week were digging new trenches south of Bihac town.

5.   Bosnian government troops captured much of the region this week and were digging new trenches south of Bihac town.

6.   But troops on both sides also took advantage of the lull to dig new trenches and strengthen their fortifications.

7.   Croatian troops and rebel Serbs are digging new trenches on front lines and increasingly violating a truce that has kept them at bay for three years.

8.   Government troops were digging new trenches south of Bihac town.

9.   Russian-made armored vehicles and rocket-launchers rumbled toward the front-line Saturday as Taliban troops dug new trenches and artillery positions.

10.   Russian armor massed on the north edge of the city and Chechen fighters grimly dug new trenches for what they anticipated would be a full-scale assault.