A man claiming to have escaped North Korea was being held under police protection after he was found wandering in a city in western Japan, local media reported today.
The man told the police that he left North Korea by ship last week, public broadcaster NHK and the Asahi Shimbun said, without clarifying why he was on board.
He then jumped off the boat and swam ashore in Yamaguchi prefecture by holding onto a floating plastic container, the news reports said.
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Kyodo News said the man, wearing a black T-shirt and trousers, said he was born in 1990 but did not have anything to prove his identity.
After questioning, the police will hand him over to immigration authorities to determine whether he is a North Korean defector who needs protection and assistance, Kyodo said.
A local police spokesman declined to confirm the reports.
Nine North Koreans were picked up by Japan's coastguard in 2011 after spending five days at sea. They then travelled to South Korea to settle there.
Nearly 30,000 North Koreans have fled poverty and repression at home to settle in the capitalist South.