The White House says the release of three Americans detained in North Korea will be one of the key agendas for the upcoming U.S.-North Korea summit.
Senior Director for Asian Affairs at the National Security Council, Matthew Pottinger,... made the comments to reporters on Tuesday.
The American detainees are Kim Sang-duk also known as Tony Kim, Kim Hak-song and Kim Dong-chul .
They are being held on charges of espionage and other undisclosed crimes.