FILE PHOTO - U.S. Secretary of State Rex Tillerson speaks at a news conference during the Foreign Ministers’ Meeting on Security and Stability on the Korean Peninsula in Vancouver, British Columbia, Canada, January 16, 2018. REUTERS/Ben Nelms/File Photo

WASHINGTON (Reuters) - U.S. Secretary of State Rex Tillerson will travel to Europe next week, stopping in London and Paris for talks on Iran and Syria before heading on to Davos, Switzerland, for the World Economic Forum and then to Warsaw, the State Department said on Thursday.