Under Russia's military modernisation plans, costing nearly 4.5tn roubles, the navy will get 51 new warships and 24 submarines by 2020, Vesti reports.

BBC: New Russian nuclear sub 'safer than Kursk'

Russia's Vesti TV news says the Yuri Dolgoruky's escape capsule can accommodate the whole crew and float to the surface in an emergency.

BBC: New Russian nuclear sub 'safer than Kursk'

Memorial director Arseny Roginsky, quoted by the Russian news website Vesti, said it was "a complete check on everything concerned with our sources of funding".

BBC: Russian police raid rights group Memorial and other NGOs