MOSCOW, Sept. 4 (Xinhuanet) --- At least 335 people including 155 children, were killed in the three-day hostage crisis   in a southern Russian school, Russia's Deputy Prosecutor General Sergei Fridinsky said on Saturday.     "We are still identifying the bodies. We have recovered 322 bodies, and 155 of them are children," Fridinsky was quoted by the Itar-Tass news agency as saying.     The prosecutor said the death toll would probably grow as the clean-up operation is continuing at the site, but it will not rise considerably.     Emergency workers pulled the bodies out of the school on Saturday, after Russian special forces rescued more than 400 children and adults hostages in a special operation that has suppressed  the hostage -taking standoff by Friday night.     Valery Andreyev, regional chief of the Federal Security Service (FSS), said Friday that over 30 armed militants took part in the hostage-taking crisis and Russian troops captured three of them alive on Friday, according to the Interfax news agency.     He said people of Russian origin and foreign nationals were among the killed hostage-takers. Earlier official information showed that ten Arab militants were killed in Friday's raid  .     Andreyev said a large amount of explosives  and mines planted by hostage-takers in the school have been found.     Rusian Presidnet Vladimir Putin made a surprise visit early Saturday to the southern Russian town of Beslan where commandos   stormed the school to end the hostage crisis. He accused the attackers of trying to  _ an racial conflict that would engulf  Russia's troubled Caucasus Mountains region. It can be inferred that the Russian hostage crisis began on   _  .
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