sentences:  Chechen commander Turpal-Ali Atgeriyev said 17 of the 40 Chechen fighters leading the breakout died as they fought their way through Russian positions and across a minefield.According to Memorial, the Chechens killed nearly all of a blocking detachment from the Spetsnaz GRU 22nd Brigade, including the intelligence chief of the 58th Army.The middle part of the rebel column with the wounded and the hostages suffered 26 fatalities, according to leader Aydemir Abdullayev (an ethnic Avar); the rear guard was commanded by Suleiman Bustayev.