Protesters in Switzerland burnt American flags in demonstrations against President Donald Trump's trip to the World Economic Forum (WEF) in Davos. Trump is in Davos to address the WEF amid tensions about his push to acquire Greenland and subsequent threats of tariffs on U.S. allies that oppose his plans.

DAVOS, Switzerland -- President Donald Trump arrived on Wednesday in Zurich, Switzerland, ahead of his scheduled address in Davos. Air Force One had earlier turned around mid-flight, after the crew identified "a minor electrical issue," White House Press Secretary Karoline Leavitt told reporters Tuesday night.