About the Author
Leo Byrne
Leo Byrne was the Data and Analytic Director at NK News. Follow him on twitter @LeoPByrne
The U.S. is concerned Russia could step up sanctions breaking activities with North Korea following stricter implementation from Beijing, Washington's Ambassador to the UN said on Tuesday.
Speaking in Washington DC, Nikki Haley said the U.S. needs to keep pressure on Beijing while also warning Moscow could support Pyongyang in lieu of China.