Pence says US to unveil ‘toughest’ sanctions on N. Korea

U.S. Vice President Mike Pence, second from right, speaks with an officer of the Japan's Ground Self-Defense Force as he inspects a PAC-3 interceptor missile system with Japanese Defense Minister Itsunori Onodera, second from left, at Defense Ministry in Tokyo Wednesday, Feb. 7, 2018. Pence, who arrived Tuesday in Japan, said he has not ruled out the possibility of meeting with North Korean officials at the upcoming Olympics in South Korea. (Toru Hanai/Pool Photo via AP)

TOKYO — Vice President Mike Pence said the U.S. is preparing to announce the “toughest and most aggressive” economic sanctions against North Korea in the coming days, boosting pressure on the bellicose government during the Winter Olympics.