11.   In a change of tactics, the Chechens are now staging guerrilla attacks on Russian convoys and rear units and are reportedly mining roads.

12.   Kurdish rebels often mine roads used by security forces.

13.   The group does not mine roads in the region where the blast occurred, said White Legion commander Zurab Samushia, according to Interfax.

14.   The PKK rebels attack villages suspected of collaborating with the army, target border outposts and mine roads.

15.   The rebels are staging hit-and-run attacks on Russian convoys and rear units and also are reportedly mining roads.

16.   They moved several hundred yards cautiously because the roads had been mined.

17.   The Russian military command confirmed that the road had been mined, saying it was to stop Chechen separatists using it.

18.   The Stup road was heavily mined by both Bosnian and rebel Serbs troops who feared it could be used for an attack.

19.   This also meant crossing temporary pontoon bridges spanning rivers and valleys where retreating Serb forces had mined the road.

20.   Mexican rebels broke off peace negotiations with the government and announced Monday they had mined the roads leading into their territory and had anti-aircraft guns in place.