1.   Rebels fighters often use their hostages to obtain the freedom of captured comrades.

2.   Rebels fighters often use their hostages to obtain the freedom of captured comrades or Chechens detained in Russian camps.

3.   Six special forces soldiers died Sunday in an ambush as they tried to rescue a captured comrade, in an action which also saw two US helicopters damaged.

4.   Six US special forces soldiers died Sunday in an ambush as they tried to rescue a captured comrade, in an action that also saw two US helicopters damaged.

5.   Six special forces soldiers died Sunday in an ambush as they tried to rescue a captured comrade, in an action that also saw two US helicopters damaged.