41.   The suspected North Korean spy ship sunk in the East China Sea after an exchange of fire with Japanese patrol boats in December.

42.   Then North Korean forces axed to death a US officer on the border and seized an American spy ship off the Korean coast.

43.   Japan Coast Guard to start lifting a suspected North Korean spy ship that sank in the East China Sea after a shoot-out with Japanese patrol vessels.

44.   Japan Coast Guard started Thursday a five-day underwater investigation by a diver and a submersible, of a sunken suspected North Korean spy ship.

45.   Japan begins a month-long operation to salvage a suspected North Korean spy ship which sank in the East China Sea after a firefight with Japanese coastguard boats.

46.   Japan on Thursday denied Chinese pressure forced it to end a probe into a suspected North Korean spy ship sunk by the Japanese coastguard in the East China Sea.

47.   Monitoring reaction to US offer to help Japan recover a suspected North Korean spy ship that sank after a firefight with a Japanese coastguard vessel last month.

48.   More recently, a suspected North Korean spy ship sank near Japanese waters after a firefight with Japanese coastguards in December.

49.   Taiwanese military authorities have been put on alert after they detected a Chinese spy ship off the northern part of the island, a report said Monday.