According to North Korea's Korean Central News Agency, "A relevant institution of the DPRK detained American citizen Kim Hak Song on May 6 under a law of the DPRK on suspension of his hostile acts against it".
The regime's official news agency said Sunday that he was being held for "hostile acts against the country", although details about the alleged acts were not provided by North Korean authorities.
He reportedly told China that he is open to meeting Kim in the USA if the North abandons its ambitions for weapons of mass destruction.
A university privately funded by Christian groups from in the West is at the center of growing tensions between the USA and North Korea following the detention of second American citizen who works there.
The arrest on Saturday of Kim Hak-song raises the number of USA citizens now held in North Korea to four. US tourist Otto Warmbier is serving 15 years imprisonment with hard labor over the theft of a political propaganda poster in January 2016 and Kim Dong Chul, a Korean-American businessman, is serving 10 years on espionage charges. AFP | North Korea on Tuesday congratulated Emmanuel Macron on his victory in the French presidential election, expressing hopes that the new leader will achieve "development and prosperity". Just last week, North Korea state media published an 1,800-word report accusing the US and South Korea of plotting to kill leader Kim Jong Un.
As tensions flare between the United States and North Korea, the number of American citizens detained by the authoritarian government has also risen.
Four U.S. citizens are now being held in North Korea, a country with which the United States has no diplomatic relations and has technically remained at war with since the 1950-53 Korean conflict. "North Korean media haven't said whether the two men knew each other".
Kim says she and her husband made multiple trips to North Korea in recent years in connection with the university.
Little is known about Kim Hak-Song, but his detention brought renewed attention to the school, known to teach many children of the country's elite.
"Last year they had a big harvest", she said.
A North Korean flag flies on a mast at the Permanent Mission of North Korea in Geneva October 2, 2014.
North Korea, where practicing one's faith openly or even owning a Bible are illegal, remains the world's worst persecutor of Christians, according to Open Doors USA.