The United States State Department is "seeing signs" of chemical weapons use by Syrian government forces in northwestern Syria. The State Department promising Tuesday that the US and allied nations will respond "quickly and appropriately" if the use of chemical weapons is proven.... Top US officials including Secretary of State Mike Pompeo, Acting Secretary of Defense Patrick Shanahan and Joint Chiefs Chairman General Joseph Dunford briefed members of Congress Tuesday about Iran.... The United Nations representative for Libya says steps need to be taken to cut off arms supplies to Libya where a government ostensibly backed by the UN is...