Japanese authorities make another grim 'ghost ship' discovery

Story highlights

  • At least 12 wooden boats have been found adrift off Japan recently
  • Authorities believe the boats may have come from North Korea

(CNN)Four bodies have been found inside a capsized boat discovered floating off the north coast of Japan's main Honshu island -- the latest of the so-called "ghost ships" washing up in Japanese waters in recent weeks.

The vessel -- a 12.5-meter long wooden boat -- was found on Sunday 10km (6.2 miles) south of the Ushitaki fishing port in Sai Village, Aomori prefecture, a spokesman for the Aomori Coast Guard told CNN Monday.
    Though there was nothing to definitively identify the boat, it looks very similar to boats found in October in the same region, which featured Korean "Hangul" lettering and markings on their hull, he said, adding that they may have come from North Korea.
    Japanese coast guard pull the wooden boat from the water.
    The condition of the latest boat indicated it may have been drifting for some time, he said.

    Chilling cargo

    Over the past two months, at least 12 wooden boats have been found adrift along Japan's coast carrying chilling cargo -- the decaying bodies of 22 people, according to police and Japan's coast guard.
    All the bodies were "partially skeletonized" -- two were found without heads -- and one boat contained six skulls, the coast guard said. The first boat was found in October, then a series of boats were found in November.
    Coast guard officials are trying to unravel the riddle of where these ghostly boats came from and what happened to those on board. Their best guess so far is that the ships are from North Korea.
    One clue pointing that direction is the same Korean lettering on the hull of a boat containing 10 decomposing bodies, one of three boats that were found adrift off the city of Wajima on the west coast of Japan on November 20.
    'Ghost ships' filled with dead bodies found near Japan
    This picture taken on November 24, 2015 shows coast guard officials investigating a wooden boat at the Fukui port in Sakai city in Fukui prefecture, western Japan after the ship was found drifting off the coast of Fukui. Japan is investigating nearly a dozen suspicious boats recently found drifting off the country's coastline, some with decaying bodies aboard, officials said on November 27, as media speculated they came from North Korea. At least 11 cases involving wooden boats -- some badly damaged -- with 20 bodies on board have been reported during October and November.

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    The writing said "Korean People's Army," the name of North Korea's military defense forces, the coast guard said.
    Another clue could come from a tattered scrap of cloth found on one of the boats, which looks like it could be from a North Korean national flag, Japan's biggest broadcaster NHK reported.

    Mystery

    But what the boats are is a mystery.
    Some in the Japanese media believe the vessels were fishing vessels that strayed off course, while others suggest they could be transporting defectors.
    "What we do know is that for those people living outside of (North Korean capital) Pyongyang ... life remains extraordinarily hard, and it may be an economic necessity as much as a desire for political freedom (that is) encouraging some people in the North to try and leave the country," John Nilsson-Wright, head of the Asia program at the Chatham House policy institute, told CNN last week.
    He added that defectors could be taking the more dangerous route across the Sea of Japan -- also known as the East Sea -- because traditional routes, like crossing the border into China, are now policed and could be harder to use.
    But he conceded that it was impossible to know for sure given the limited information available.