Russian Navy – the Royal Navy rescue crew which is proceeding to the site of the Kursk report seeing a video of the sub on the ocean bottom which shows she suffered a high energy explosion from the bow to the conning tower. It appears less and less likely that there are survivors left. U.S. intelligence reports there has been no sign of life onboard since the explosion.

• BBC News: Stricken sub ‘severely damaged’
• Daily Telegraph (registration required): Putin attacked over delay as trapped crew fall silent
• Times of London (registration required): Russians accept British help to save sub