1.   The military has conceded that in some cases they have been slow to respond to the attacks because the terrorists mined the perimeter of villages.

2.   The mercenaries had fortified and mined the perimeter of the airport, which they used as their headquarters.

3.   Croatian and Bosnian Serb mercenaries, who appear in charge at the airport where the Zairian army has its regional headquarters, have said the perimeters are mined.

4.   The Islamic militants had mined the perimeter of their camp built on the side of a mountain, which contained dozens of bunkers camouflaged by tree branches.