RUSSIA RECAPTURES THEATER AFTER CHECHEN REBEL GROUP BEGINS TO EXECUTE HOSTAGES
Russian special forces burst into Moscow theater held by Chechen guerrillas after rebels begin killing some of more than 600 hostages they had seized; government forces pour into theater in pre-dawn raid after panicked hostages run out, evidently as guerrillas begin to carry out their threats to kill hostages; it is not immediately clear how many people are killed in police raid, which begins with series of thunderous explosions, punctuated by bursts of gunfire, then quiet; one hostage says Russian forces filled theater with gas that put those inside to sleep; it is not clear what substance was; Russia's official television network shows film of scene inside theater, including grim scenes of raid's bloody aftermath and bodies of several guerrillas; at last 70 ambulances speed in and out of area, ferrying wounded to hospitals; 10 hostages are reported killed, but many more are treated inside theater and at hospitals; toll could rise; several guerrillas are reported to have escaped, and two are captured on street outside theater; photos; diagrams (L)
