The U.S. Department of State has announced new sanctions on North Korean and Russian nationals, a Russian firm and a Chinese company, in an apparent attempt to counter increasing military cooperation between Moscow and Pyongyang.

The department published a document on Friday detailing the new designations under the Iran, North Korea and Syria Nonproliferation Act (INKSNA), but it has yet to detail the specific grounds for sanctioning the targeted individuals and firms.

The sanctions individuals are: 

• Kim Sang Chol (DPRK national)
• Ri Sung Chol (DPRK national)
• Igor Aleksandrovich Michurin (Russian national)

The designated firms are:

• Bearings on Lipetsk LLC (Russian