This is footage of similar NK/J dustup about 8 years ago.
Spy ship, J Coast Guard opens up on them, NK’ers scuttle the ship (later recoverd by J intel)
http://www.youtube.com/watch?v=gKb3ZI6SA0g
Did you watch that entire vid? lol
And put on display for thousands of curious Japanese civilians on some nice days to walk through the entire hull of the sunken craft, including display of seized DPRK goods on board, like magazines, cigarettes, etc.
Our at least up to 3:17....in the vid