“Russian warships in the eastern Mediterranean Sea drove away a Dutch submarine that Moscow contended was shadowing its squadron in a ‘dangerous’ way. Russian Defense Ministry spokesman Major General Igor Konashenkov said Russian Navy destroyers spotted the Walrus-class submarine on November 9 while it was 20 kilometers away from the Admiral Kuznetsov aircraft carrier.”
Source: Russia Says Drives Off ‘Dangerously’ Close NATO Submarine In Mediterranean