U.S. President Barack Obama signed an executive order on Tuesday clearing the way for sanctions against a broad array of foreign businesses operating on behalf of or within North Korea.
In a response to cyber-attacks on Sony Pictures Entertainment, President Obama signed an executive order Friday authorizing new sanctions against North Korea.
The U.S. House of Representatives passed a measure in a voice vote that would require American officials to determine whether to punish foreign banks that maintain ties with North Korea.
The U.S. Treasury Department blacklisted a North Korean bank and a related firm Thursday for their alleged role in facilitating the country's weapons programs.