31.   Armed groups have recently stepped up car bomb attacks, usually on police stations and buildings housing families of security forces.

32.   The raid was the second of the day and came after an attack on a building housing the family of Chechen President Dzhokhar Dudayev.

33.   Two schools in the area have been made available to house fleeing families.

34.   The main targets of such attacks are police headquarters and buildings which house the families of security forces.