From Reuters:ST PETERSBURG, Russia (Reuters) - Some of the 20 men killed on a Russian nuclear submarine this weekend may have died because they lacked adequate training in how to respond in a fire drill, a former submarine officer said on Monday.
Russian prosecutors said the victims on board the Nerpa nuclear submarine died from asphyxiation when the fire extinguishing system was set off unexpectedly, releasing toxic freon gas -- used as a fire suppressant -- into the submarine.
The accident, the worst to hit Russia's navy since an explosion on the Kursk submarine eight years ago killed all 118 sailors on board, raised questions about the capability of the Russian military.
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