North Korea 'detains US citizen Kim Hak-song'

Kim Hak-song is said to have worked for the Pyongyang University of Science and Technology North Korea says it has detained a US citizen on suspicion of "hostile acts" against the state. Kim Hak-song worked at the Pyongyang University of Science and Technology (PUST) and was held on 6 May, state-run news agency KCNA said. Three other US citizens are currently held in North Korea, including Kim San