North Korea says it has arrested a US student accused of committing a "hostile act" against the state.
State news agency KCNA identified him as University of Virginia student Otto Frederick Warmbier.
He had entered North Korea as a tourist with the intention "to destroy the country's unity", said KCNA, which added that the US government had "tolerated and manipulated" him.
It did not give further details, but said he was now under investigation.
An official at the US embassy in the South Korean capital, Seoul, told Reuters it was aware of the arrest.
North Korea sometimes uses the detention of foreigners as a means of exerting pressure on its adversaries. Read more...
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