The United States on Thursday sanctioned two Chinese companies and a Russian affiliate involved in making and shipping attack drones and warned the two countries to halt cooperation boosting the Ukraine war effort.

The United States has imposed sanctions on two China-based drone suppliers and their alleged Russian partners, the first time it has penalized Chinese companies for supplying complete weapons systems to Russia for its war in Ukraine.

The U.S. Treasury Department has announced sanctions against two Chinese companies accused of directly helping Russia build long-range attack drones used in the war in Ukraine

He outlined the five-point plan to Ukraine’s parliament on Wednesday without disclosing confidential elements that have been presented in private to key allies, including the United States.

Russia's ties with North Korea have grown since the start of the Ukraine war on February 24, 2022, particularly as Moscow faces increasing international isolation. In March, Russia vetoed a United Nations Security Council resolution, effectively ending international monitoring of sanctions against North Korea.

U.S. Defense Secretary LLoyd Austin said on Saturday he could not confirm reports that North Korea has sent troops to Russia ahead of what could be a deployment to the war in Ukraine, but added such a move would be concerning,