Turning to international news, experts tell Hong Kong's South China Morning Post that Beijing will verify the purpose of any bank accounts linked to North Korean leader Kim Jong-un before taking any action against Pyongyang.

BBC: China media: Political models

Schmidt, who is the highest-profile U.S. business executive to visit North Korea since leader Kim Jong Un took power a year ago, has not spoken publicly about the reasons behind the journey to North Korea.

NPR: AP Exclusive: Richardson Pressing NKorean Test Ban