41.   While top Russian officials say the most likely cause was a collision with a foreign submarine, no concrete evidence has been provided.

42.   A Russian navy spokesman said a navy patrol plane detected a foreign submarine on Friday northeast of the Rybachy peninsula in the Barents Sea.

43.   An unidentified foreign submarine sneaked into Russian territorial waters in the northern Kola gulf region overnight, Interfax reported Wednesday, quoting the Northern Fleet command.

44.   The submarine commission was set up earlier this year after the Swedish military admitted that underwater objects originally identified as foreign submarines could have been minks diving for fish.

45.   The Russian naval command in February said it had detected three foreign submarines in the Norwegian and Barents seas.

46.   Moscow expressed alarm Monday at the near continual presence of foreign submarines close to Russian territorial waters.

47.   The Norwegian military said it was searching Thursday for what could be a foreign submarine in a fjord near Narvik in northern Norway.