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An avalanche struck a team of Russian security agency special forces personnel during a mountaineering training exercise in the Bezengi Gorge in Kabardino-Balkaria on September 6, killing 13 people. The incident was drawn from multiple special units within Russia's security services, according to sources cited by the Russian business daily Kommersant. The deaths represent a significant non-combat loss for Russia's security apparatus amid the ongoing war effort, though the exercise itself was reportedly unrelated to front-line operations in Ukraine. Further details on the units involved and the circumstances of the avalanche have not been fully disclosed.