Two Japanese crewmen are missing after their cargoship sank following a night-time collision off Japan.
The 700-dwt Japanese vessel Nisshin Maru (built 1990) went down in the Naruto strait on Sunday after a clash with the 4,200-dwt general cargoship Outsailing 9 (built 2009) .
All four men on Nisshin Maru were thrown into the sea, but two were rescued by the 15-strong crew of Outsailing 9.
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