A bitter dispute has erupted between Japan and North Korea over DNA tests used to establish whether cremated remains belong to a Japanese citizen abducted in 1977. The argument is the latest twist in an episode that has soured relations between the two countries for years. During the 1970s and 1980s, North Korea was believed to have abducted at least 13, and perhaps as many as 100, Japanese citizens to work in its espionage programme. Now the two nations are falling out over the feasibility of correctly identifying DNA from the ashes of one of those abducted.
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