In the United States and around the world. Im wolf blitzer. Youre in the situation room. This is cnn breaking news. Breaking tonight russia is vowing a harsh response to new u. S. Sanctions against members of Vladimir Putins inner circle. Punishment for interference in the election. The white house insisting the sanctions wont affect mr. Trumps hope for a u. S. Meeting. And stock prices plummet as the president hits china with additional tariffs and the trade secretary admits this could lead to a trade war. Ill speak with our correspondents and analysts who are all standing by. Lets go to our senior White House Correspondent pamela brown. Policies are riling up russia and china tonight. Reporter thats right, wolf. Both russia and china ratcheting up their response to the president s actions and china threatening to impose more tariffs on the Trump Administration. President trump is not backing down, announcing thursday night he is threatening an additional 100 billion in tariffs agains