US targets Russian, Chinese firms for supporting North Korea's nuclear mission

WASHINGTON, Sept 13 (Reuters) - The United States on Thursday imposed sanctions on two firms, one in Russia and one in China, for supporting North Korea's nuclear and missile programs.

The new sanctions target Russian-based Volasys Silver Star and China-based Yanbian Silverstar Network Technology Co, the U.S. Treasury Department said on its website.

A North Korean national, Song Hwa Jong, was also sanctioned, it said.